1. The strongest muscle in the human body is the tongue.

It is impossible to sneeze with your eyes open.

It is impossible to hold your breath and commit suicide.

Every time you lick the stamp gum, it is equivalent to absorbing110 heat.

Right-handed people live nine years longer than left-handed people on average.

Crocodiles cannot stick out their tongues.

7. Polar bears are left-handed.

8. An ostrich's eyes are bigger than its head; Starfish haven't evolved their heads yet.

9. Fleas can jump 350 times their own length, which is equivalent to a person jumping over an American football field.

10. A cockroach with its head cut off can live for 9 days, and the cause of death after 9 days is starvation.

1 1. Giraffes don't cough.

12. Owls are the only birds that can distinguish blue.

13. The whale's heartbeat is only 9 times per minute.

14. On average, an adult is 0.4 inch taller in the morning than at night. Because the cartilage tissue of the spine is easily compressed during the day.

15. We have been drinking water for 300 million years.

16. Chocolate contains a chemical called phenyl. This is something that can be made in your mind when you are in love.

17. Only 30% people will enlarge and narrow their nostrils.

18. Among all languages, English contains the largest number of words, close to one million. German vocabulary is less than180,000 words, and French is even worse, less than 10,000 words.

19. The sex of an adult eel will change from male to female, and it will change several times in its life.

20. The draft blueprint for the Eiffel Tower covers an area of over 65,438+04,000 square feet.

2 1. According to a law passed in Britain in 1845, suicide is a very serious crime, and the heaviest sentence can be hanged.

22. Astronauts can't cry in space, because tears can't flow without gravity.

23. The tongue of a chameleon is twice as long as its own body.

24. The people who use toothpicks most often are Americans.

25. Blind chameleons still have the ability to change colors to adapt to their surroundings.

26.27% of American male college students think that life is a meaningless hell on earth.

27. A normal person's eye muscles need to exercise 10000- 15000 times a day on average.

28. The elephant will still stand after death.

29. Some insects can live without their heads 1 year.

30. It took Leonardo da Vinci 12 years to draw the lips of the Mona Lisa.

3 1. When glass is broken, the maximum speed of glass fragments can reach 3000 miles per hour.

32. Cows can supply more milk when listening to music.

Roses picked in the afternoon last longer than those picked in the morning.

34. The tiger shark's embryo has to go through a fierce struggle in the mother's womb, and finally the baby tiger shark can be born alive.

35. A 70-pound octopus can pass through a hole the size of a silver coin because they have no spine.

Beethoven used to wash his face with ice water when he was sitting and writing songs. He believes that this will help his brain to make better things.

37. The stick insects in Indonesia are the largest insects in the world, some of which are 65,438+0 feet long.

38. Men's bodies contain more blood than women's bodies. Usually a man's blood can be as high as 1.5.

Sharon, but women only have 0.875 gallons.

39. The inventor of parachute gave his first parachute jump to a dog.

40. The wing length of a Boeing 747 is exactly the distance of the Wright brothers' first flight.

4 1. A big Japanese crab may be as long as 12 feet.

42. Sharks can only detect one millionth of blood in water.

43. The original meaning of "samba" in "samba dance" is "grinding navel together".

Children grow faster in spring.

45. Do you know how much water from the Amazon River flows into the Atlantic Ocean? In the Atlantic Ocean within 0/00 mile from the estuary/kloc-,the water you drink is still fresh water.

46. Newborn turkeys need parents to teach them how to eat, or they will starve to death.

47. The moon weighs 810 billion pounds.

Bats are the only mammals that can fly.

49. A caterpillar has more than 2000 muscles.

50. Hippos run faster than people.

2. Life tips

1, often eat supper, will get gastric cancer, because the stomach can't rest.

2, you can only eat four eggs a week, eating too much is not good for your health. 3, chicken * * * contains carcinogens, it is best not to eat.

Eating fruit after meals is a wrong concept, and it should be eating fruit before meals. Eating fruit in the morning is gold, eating fruit at noon is silver, and eating fruit at night is copper.

6. Don't add eggs and ponds to drink soybean milk, and don't drink too much. 7, don't eat tomatoes on an empty stomach, it is best to eat after meals.

8. When you wake up in the morning, drink a glass of water first to prevent stones. 9. Don't eat three hours before going to bed, you will get fat.

10, drink less milk tea, because milk tea is high in calories and oil, and has no nutritional value. If you drink it for a long time, you are prone to diseases such as hypertension and diabetes. 1 1, freshly baked bread is not suitable for immediate consumption! 12, away from the charging stand, the human body should be away from more than 30 cm, not on the bedside.

13, drink eight glasses of water every day. 14, ten glasses of water a day, bladder cancer will not come.

15, drink more water during the day and drink less water at night. 16, don't drink more than two cups of coffee every day. Drinking too much can easily lead to insomnia and stomachache.

17, eat less greasy food, because digestion takes 5~7 hours, and the blood in the brain is concentrated in the large intestine, which will make you sleepy. 18, after five o'clock in the afternoon, eat less, because the body doesn't need so much energy after five o'clock.

19, 10 Food types that will make you happy: deep-sea fish, bananas, grapefruit, whole wheat bread, spinach, garlic, pumpkin, low-fat milk, chicken and cherries. 20, lack of sleep will become stupid, you must sleep for eight hours a day, and you will not get old if you have a nap habit.

3. Interesting life tips

1: Apple Law: There are good apples and bad apples. Eat the good ones first and throw away the bad ones. If you eat the bad first, the good will go bad, you will never eat the good, and so will life.

2. The law of happiness: As long as you see the bright side, you will be happy, just like if you fall into a ditch, you can imagine that maybe a fish just got into your pocket. 3. The Law of Happiness: If you don't always doubt whether you are happy or not, you will be happy.

4. Law of Errors: Everyone has mistakes, but you are wrong only when you repeat them. 5. Law of Silence: When arguing, the most difficult argument is silence.

6. Law of power: Power often comes from two reasons, hope or despair. 7. The law of humiliation: The only way to be humiliated is to ignore it. If you can't ignore it, you will despise it. If you can't despise it, you will only be humiliated.

8. The Law of Stupidity: Most stupidity occurs when the hands, feet or mouth move faster than the brain. 9. Law of Value: When you own something, you will find that it is not as valuable as you thought.

10: makeup law: how much time you spend on makeup means how many shortcomings you think you have to cover up. 1 1: Time-saving Law: If you want to save time from the beginning, you have to spend several times more time.

12: Law of Commitment: Commitment may not guarantee that it will be done, but if you don't make a commitment, even if you do, it will be worthless. 13: law of status: some people stand at the foot of the mountain, while others stand at the top of the mountain. Although the position is different, the other person's figure is the same in their eyes.

14: Chaos Law: If you are so cautious when you are in trouble, the trouble will become chaos. 15: Law of Failure: Failure does not mean wasting time and life, but often means that you may have better time and life.

16: Law of Conversation: There are two kinds of most boring conversations, one is never stopping to think, and the other is never wanting to stop. 17: Law of Misunderstanding: Being misunderstood by one person is not a big trouble, but being misunderstood by many people is a big trouble.

18: law of ending: a terrible ending is better than no ending. 19: promotion law: every time you enter the officialdom, the human touch will decrease.

20. Law of appreciation: If you export for domestic sales, you will appreciate. This is the real public opinion. 2 1: Rules of the game: No matter how "bad" you are at bowling, you may get one or two hits every time you go, which will satisfy you and make you happy to come again next time.

22. Rule of life: What you desperately want is not what you really need most. 23. Travel Law: There is no better scenery than memory, so it is best not to revisit the old place.

24. Law of Money: It is not everything, but you can't do anything without it. 25: Financial Law: Checks are always late and bills are always early.

26: Backup Law: Learn to do something with your left hand, because your right hand doesn't always work. Law of Meeting: All important decisions are made at the end of the meeting or the last five minutes before lunch.

28. Law of Danger: The more complicated the problem, the shorter the deadline. 29: Law of Cooperation: What one person can do well in one hour takes two people.

30: Law of Combination: No matter what you do, there are always people you want and people who are opposite to you with you. Life is full of these laws, so why not? In fact, life can be simpler.

4. Who knows some humorous jokes and life tips?

Several little boys scraped together a dozen dollars to buy toys, but they didn't know what to buy. One suggestion: go and buy sanitary napkins! People don't understand, why? The boy said, I don't know, but TV said that with it, you can climb mountains, water ski, play ball games, skate and be carefree and happy.

Bicycles in school are lost seriously, and the new ones disappear in the blink of an eye, but sometimes with luck, the lost bicycles will reappear every few days. One day, my roommate Xiao Jing bought a new transmission car. She showed off to everyone and said, "I locked this car with the latest lock!" " The next day, Xiao Jing came back from self-study at night and looked depressed. He still holds a piece of paper in his hand, which reads: Don't be the owner here, I borrowed the car, and I'll pay you back in a few days! A few days later, the thief really returned the car. Xiao Jing is very happy, but she is worried that the car will be "borrowed" again.

I bought ten big locks, locked the car tightly, and put a note on the thief: See how you "borrow"! When Xiao Jing went downstairs the next morning, she found five more locks on the car, and there was a note on the locks: See how you ride.

5. Fun is a common sense problem in life.

1, often eat midnight snack.

You'll get stomach cancer. Because the stomach can't rest.

You can only eat four eggs a week. I ate too much.

This is harmful to your health. 3, chicken * * * contains carcinogens, it is better not to eat.

It is a wrong idea to eat fruit after meals. It should be eating fruit before meals.

5, when the girl's menstruation comes. Don't drink green tea.

No tea anyway. Eat more things that can replenish blood.

6. Drink soy milk without eggs and sugar. Don't drink too much.

7, don't eat tomatoes on an empty stomach, it is best to eat after meals. 8.wake up in the morning.

Drink a glass of water first. Prevent stones.

9. Don't eat three hours before going to bed. Will be fat.

10, milk tea is high in calories, so drink less.

High oil. There is no nutritional value.

Drinking for a long time. Susceptible to hypertension.

Diabetes. And other diseases.

1 1, freshly baked bread is not suitable for immediate consumption. 12, away from the charging stand.

The human body should be away from more than 30 cm. Never put it by the bed.

13, drink eight glasses of water every day. 14, ten glasses of water a day.

Bladder cancer will not come. 15, drink plenty of water during the day.

Drink less water at night. 16, drink no more than two cups of coffee a day.

Drinking too much can easily lead to insomnia and stomachache. Eat less greasy food.

Because the blood in the brain takes 5 to 7 hours to digest and concentrate on the stomach. Easy to fall asleep.

18, after 5 pm. Eat less big meals, because you don't need so much energy after five o'clock.

19, 10 Food types that will make you happy: deep-sea fish, bananas, grapefruit, whole wheat bread, spinach, garlic, pumpkin, low-fat milk, chicken and cherries. 20, lack of sleep will become stupid, you must sleep for eight hours a day, and you will not get old if you have a nap habit.

2 1, the best sleep time is 10 at night to 6 am. 22. Don't drink more than one glass a day, because alcohol will inhibit antibody-producing B cells and increase the chance of bacterial infection.

23. Take the capsule with cold water (you can eat it first) and take the medicine 30 minutes before going to bed. Avoid lying down immediately.

24, sour plum has the effect of preventing aging and keeping young forever; People who are angry should eat more. 25, hair loss factors: staying up late, stress, alcohol and tobacco, spicy chicken chops.

Spicy pot greasy food.

Overflavored dishes. 26, help hair growth: eat more cabbage, eggs.

Beans; Eat less sweets (especially fructose). 27. A glass of lemon juice and orange juice every day.

It can not only whiten skin, but also fade dark spots. 28. Apple will always be a good medicine for motorcyclists, addicts and housewives. Eating only one apple a day can give you a clean lung.

29. Smoking and taking vitamins (a kind of vitamin B carotene -A) can cause cancer, so quit smoking as soon as possible. Is the healthiest thing to do.

30. Five periods when women should not drink tea: when menstruation comes, pregnant women, and before labor. Postpartum, menopause.

3 1, smoking, the biggest relationship is lung cancer, lip cancer, tongue cancer, laryngeal cancer, esophageal cancer and bladder cancer. 32. Drinking alcohol leads to cirrhosis.

Causing liver cancer. 33, eat areca can lead to oral fibrosis, oral cancer.

34. The food is too fine and lacks fiber; Containing a lot of fat, especially cholesterol, can cause gastric cancer. 35. When the food is too rough and the nutrition is insufficient, it will lead to esophageal cancer and gastric cancer.

36. Yellow koji toxin in food. Nitrite causes cancer.

37. Don't smoke. Refuse to smoke secondhand smoke.

38, moderate drinking, not for a long time. Not drunk.

39. Reduce salting. Smoke and barbecue food.

40. Eat fresh vegetables and fruits every day. 4 1, and eat grains and beans rich in fiber every day.

42. Eat a balanced diet every day, but don't overdo it. 43. Maintain an ideal weight.

But fat. 44. Keep a regular life and exercise.

45. Keep a relaxed and happy mood. 46. Correct eating habits: Eat like an emperor in the morning and like a civilian at noon.

6. Common sense of daily life

Head 1. When you have a headache or dizziness, you can apply toothpaste to your temples, because toothpaste contains menthol and clove oil, which can relieve the pain.

2. When you have a headache, grind the apple into mud and apply it on gauze and stick it on the headache. Symptoms can be alleviated. Oral area 1. Yellow teeth, you can chew peanuts in your mouth and brush your teeth for three minutes, which is very effective; 2. Eat something smelly like garlic and stinky tofu, and just eat a few peanuts; 3. If there is a small area of skin damage or burns, immediately apply a little toothpaste to stop bleeding and relieve pain; 4. If there is an ulcer in the mouth, stick it on the ulcer with vitamin C, and it will basically be fine after the ulcer is dissolved; 5. If you eat spicy food, you will feel spicy to death. Just put a little salt in your mouth, hold it and rinse your mouth, and it won't be spicy.

Eye 1. Do not use your eyes continuously for more than 40 minutes. Experts believe that correct eye habits are the most important thing to protect your eyes.

If you use your eyes for more than 40 minutes at a time, rest for 10 minutes, look far away, or close your eyes for a while, and your eyes will not be tired and dry easily. 2. Eat more yellow-green vegetables.

Such as carrots, corn, tomatoes, broccoli, kiwifruit and so on. , rich in lutein and zeaxanthin, can prevent the functional degradation of eyes. 3. Play table tennis and roll your eyes more.

Experts say that when playing table tennis, the eyes will rotate with fast-moving objects, which plays a role in adjusting and relaxing, delaying presbyopia and preventing myopia. 4, often drink medlar chrysanthemum tea.

Watching the computer often makes Zhang Jian's eyes feel tired, so he often gives himself a cup of medlar chrysanthemum tea, which has the effects of improving eyesight, refreshing brain and nourishing liver, and can improve the symptoms of dry eye. 5. Wear sunglasses when going out.

Eyes are vulnerable to ultraviolet rays, not only the skin around the eyes will age, but also have a certain impact on vision. So just go out, especially in summer or go to places with strong ultraviolet rays such as the seaside and mountains.

Nose 1. After washing your face, gently rub some fine salt on both sides of your nose with your fingers, and then rinse with water, so that blackheads and acne will be removed and pores will become smaller. 2. Lying on your side can treat nasal congestion. Lie down with the left nasal obstruction facing the right and the right nasal obstruction facing the left, and hold your nose with your forefinger and middle finger. * * * Xiang Ying points on both sides of the bridge of the nose 1-2 minutes later, the nasal congestion can be eliminated.

3. The nose is blocked and the nasal cavity is not ventilated. Sticking raw onion slices will take immediate effect. Throat 1. If the throat and gums are inflamed, cut the watermelon into small pieces at night and eat it with salt. Remember that it must be at night, when the symptoms will be relieved and the next day will be fine.

2. Drink some vinegar when you burp, which will have an immediate effect. 3. Treat cough, especially dry cough. Before going to bed at night, fry eggs with pure sesame oil, add a little more oil, and don't put any seasoning. Sleep in hot weather and eat for several days, and the effect is obvious.

7. What are 60 common sense of life?

1. The hair dryer blows at the label, and when the glue of the trademark is hot, the label is easily torn off; 2. If you are afraid of wrinkling when traveling with clothes, you can roll each piece of clothes into a roll; 3. Drink some vinegar when snoring, and it will be immediate; 4. Eat some smelly things like garlic and stinky tofu, and just eat a few peanuts; 5. Treat cough, especially dry cough. Before going to bed at night, fry eggs with pure sesame oil, add a little more oil, and don't put any seasoning. Sleeping in hot weather and eating for several days have obvious effects; 6. MM with long and thick wrists can't wear a thin bracelet, so put a plastic bag on your hand and wear a bracelet, which is very easy to wear and won't hurt your hand. Take it off in the same way; 7. Chestnut skin is difficult to peel, first peel the shell, then turn it in the microwave oven, take it out while it is hot, and the skin will fall off; 8. When arranging flowers, drop a drop of detergent in the water for several days; 9. Steam the walnuts in the pot for ten minutes, take them out and put them in cold water, and then open them to take out the complete peach kernels; 10. Put the shrimps in a bowl, add a little salt and edible alkali powder, rub them with your hands for a while, then soak them in clear water, and then rinse them with clear water, which will make the fried shrimps transparent as crystal, fresh and delicious; 1 1. When frying meat, first soak the meat in baking soda water for more than ten minutes, then pour off the water and taste it. It will be tender and smooth when fried; 12. Soak the remaining tea leaves in water for a few days and then pour them on the roots of plants, which can promote the growth of plants; 13. Dry the remaining tea leaves and smoke them in the toilet or ditch, which can eliminate the stench and drive away mosquitoes and flies; 14. Reheat method of uncooked rice: you can use chopsticks to make holes in the rice that go straight to the bottom of the pot, sprinkle a little yellow wine and stew it. 15. If only the surface is raw, turn the surface to the middle and stew it again; 16. Skillfully remove greasy screen window: put the cigarette butts left after washing clothes and smoking in water, and then dissolve them to clean the glass window and screen window. The effect is really good; 17. As long as you put a piece of chalk in the jewelry box, you can keep the jewelry shiny. 18. The adhesive traces on the surface of tables and bottles can be wiped with wind oil essence; 19. always carry a small dry battery in your bag when you go out. If the skirt is charged with static electricity, wipe the battery positive electrode on the skirt several times to eliminate static electricity; 20. No matter where your shoes rub your feet, you should apply a little white wine to the place where your shoes rub your feet to ensure that you don't rub your feet. 2 1. When mixing vegetables, if you have to blanch, you'd better make full use of the water for blanching good dishes.

If you cook jiaozi, you can put a proper amount of water in the meat stuffing, which not only ensures the nutrition, but also makes the dumpling stuffing delicious and fragrant. 22. In summer, feet are prone to sweating. Soaking feet with light salt water every day can effectively deal with sweaty feet; 23. Sunbathing after swimming in summer can prevent diseases such as skin strain; 24. In summer, pillows are prone to damp and mildew, and frequent contact with pillow cores is good for health; 25. Eat more wet spleen such as glutinous rice porridge, which can prevent heatstroke and damp; 26. Anti-insomnia: talk less before going to bed, avoid drinking strong tea, don't use your brain before going to bed, and wash your feet with hot water and vinegar; 27. Honeysuckle has the effect of dispelling wind and dampness. The juice of honeysuckle can be mixed with honey after being decocted in water and cooled to relieve summer heat; 28. Drinking tea after eating too greasy food can discipline nerves and promote fat metabolism; Lack of sleep will make you stupid, you need to sleep for eight hours every day, and having a nap habit can delay aging; 30. Hands tend to become dry and rough. Soaking your hands in vinegar for ten minutes can protect your skin. 3 1. Wipe the mat in summer, and wipe the mat with water dripping from flower dew, which can keep the mat fresh and clean. Of course, it is best to wipe along the grain of the mat, so that the toilet water can penetrate into the grain gap of the mat, so that the cool and comfortable feeling will last longer; 32. Eat more acidic fruits and vegetables such as tomatoes and citric acid for breakfast, which is conducive to nourishing the liver; 33. When washing your hair or taking a bath, adding five or six drops of toilet water to the water can play a good role in cooling and sterilizing, eliminating malnutrition and relieving itching; 34. Grapes contain sleep-promoting hormones, which are helpful for sleep when eaten regularly; 35. Drinking tomato soup in summer can not only get nutrition, but also replenish water. Tomato soup should be cooked and cooled before drinking. Lycopene contained in it has certain anti-prostate cancer and myocardial protection effects, and is most suitable for men to eat. Eating acidic substances and brushing your teeth immediately will damage your teeth health; 36. When the skin is broken due to trauma, apply toothpaste to the wound to diminish inflammation and stop bleeding, and then bandage it. As a temporary first-aid medicine, medicinal toothpaste has the most remarkable effect; 37. Spraying white vinegar on the chopping block and washing it for half an hour can not only sterilize but also deodorize; 38. Drinking yogurt can relieve irritability after drinking. Yogurt can protect gastric mucosa, delay the absorption of alcohol, and is rich in calcium, which is particularly effective in relieving irritability after drinking; 39. When leather shoes are moldy for a long time, you can wipe them with a soft cloth dipped in alcohol and water (1: 1). 40. When you have a headache or dizziness, you can apply toothpaste to your temples, because toothpaste contains menthol and clove oil, which can relieve the pain; 4 1. Insert the candle into the birthday cake after freezing for 24 hours, and the candle oil will not flow down when it is lit; 42. White underwear turns yellow easily after washing. You can take a basin of water and drop two or three drops of blue ink. Soak the washed underwear for a quarter of an hour and put it in the sun. It can be white and clean without wringing it out. 43. Eating too much raw onion and garlic will make you feel sick, which is bad for your health. It is best to add a little vinegar before eating; 44. Replenish water in time, but drink less juice, cola, sprite, soda and other drinks, which contain more saccharin and electrolyte. Drinking too much will have a bad effect on the stomach, affecting digestion and appetite.

Therefore, drink more boiled water or light salt (sugar) water in summer; 45. Wipe your face with tofu for a few minutes every morning for a month, and your face will become very moist; .

8. What are some interesting physics tips in life?

1. Friction when people walk. The timekeeper at the end of the long-distance race saw the smoke from the starting gun and began to time. See the lightning first, then hear the thunder. 4. The glass with water is not easy to separate. 5. Hot water emits white smoke. 6. Rainbow 7. A layer of "ice flowers" appears on the window in winter. 8.b ultrasound 9. Water boiling phenomenon 1 1. Health ball Machine 13. Light bulb 14. Rumor "It's cold before frost and cold after snow" 15. Cooking in pressure cooker is fast 16. Blow it into a hot soup bowl and it's cold 17. It's cool when you blow the electric fan 18. It was very cold after swimming ashore 19. Breathe into your hand to keep warm. There is always a layer of dust on the TV. ) In summer, the weather is cool. On the bottle. (2) The frozen flowers on the windows in winter are condensed by water vapor. (3) Wake up in the morning and see fog, which is the phenomenon of water vapor liquefaction in the air. (4) Frozen clothes will dry in winter, which is the sublimation of ice. (5) The boiling point of water is different at different time and place, which is the difference of atmospheric pressure. (6) Water can only boil jiaozi white. And oil can fry jiaozi: the boiling point of oil is higher than that of water. (7) Mirage phenomenon: light is deflected due to uneven atmosphere. (8) Inverted pinhole: light travels in a straight line. (9) Plane mirror can image: light is reflected. (10) Chopsticks that reach into the water are curved: the light is oblique. Seven colors: dispersion of light. (12) solar eclipse: the straight-line propagation of light. (14) There is no sound on the moon: sound propagation needs a medium. (13) A convex lens can image: light refracts. (14) There is no sound on the moon: sound propagation needs a medium.

9. Common sense in daily life

46 important common sense of daily life

1, often eat midnight snack, will get gastric cancer, because the stomach can't rest.

2, you can only eat four eggs a week, eating too much is not good for your health.

3, chicken * * * contains carcinogens, it is better not to eat.

Eating fruit after meals is a wrong concept, and it should be eating fruit before meals.

5. Girls should not drink green tea during menstruation. Anyway, it's right not to drink tea, and eat more things that can replenish blood.

6. Don't add eggs and sugar to drink soybean milk, and don't drink too much.

7, don't eat tomatoes on an empty stomach, it is best to eat after meals.

8.wake up in the morning. Drink a glass of water first to prevent stones.

9. Don't eat three hours before going to bed, you will get fat.

10, drink less milk tea, because it is high in calories and fat and has no nutritional value. If you drink it for a long time, you are prone to diseases such as hypertension and diabetes.

1 1, freshly baked bread is not suitable for immediate consumption.

12, away from the charging stand, the human body should be away from more than 30 cm, and never put it on the bed.

13, drink eight glasses of water every day.

14, ten glasses of water a day, bladder cancer will not come.

15, drink more water during the day and drink less water at night.

16, don't drink more than two cups of coffee every day. Drinking too much can easily lead to insomnia and stomachache.

17, eat less greasy food, because digestion takes 5-7 hours, and the blood in the brain is concentrated in the stomach, which makes you sleepy.

18, after 5 pm. Eat less big meals, because you don't need so much energy after five o'clock.

19, 10 Food types that will make you happy: deep-sea fish, bananas, grapefruit, whole wheat bread, spinach, garlic, pumpkin, low-fat milk, chicken and cherries.

20, lack of sleep will become stupid, you must sleep for eight hours a day, and you will not get old if you have a nap habit.

2 1, the best sleep time is 10 at night to 6 am.

22. Don't drink more than one glass a day, because alcohol will inhibit antibody-producing B cells and increase the chance of bacterial infection.

23. Take the capsule with cold water (you can eat it first) and take the medicine 30 minutes before going to bed. Avoid lying down immediately.

24, sour plum has the effect of preventing aging and keeping young forever; People who are angry should eat more.

25, hair loss factors: staying up late, stress, alcohol and tobacco, spicy chicken chops, spicy pots, greasy food, over-flavored dishes.

26, help hair growth: eat more cabbage, eggs. Beans; Eat less sweets (especially fructose).

27, a glass of lemon juice and orange juice every day, not only can whiten but also fade dark spots.

28. Apple will always be a good medicine for motorcyclists, addicts and housewives. Eating only one apple a day can give you a clean lung.

29. Smoking and taking vitamins (a kind of vitamin B carotene -A) can cause cancer, so quit smoking as soon as possible. Is the healthiest thing to do.

30. Five periods when women should not drink tea: when menstruation comes, pregnant women, and before labor. Postpartum, menopause.

3 1, smoking, the biggest relationship is lung cancer, lip cancer, tongue cancer, laryngeal cancer, esophageal cancer and bladder cancer.

32. Drinking alcohol leads to cirrhosis and liver cancer.

33, eat areca can lead to oral fibrosis, oral cancer.

34. The food is too fine and lacks fiber; Containing a lot of fat, especially cholesterol, can cause gastric cancer.

35. When the food is too rough and the nutrition is insufficient, it will lead to esophageal cancer and gastric cancer.

36. Yellow koji toxin in food. Nitrite causes cancer.

37. Don't smoke and refuse to smoke secondhand smoke.

38, moderate drinking, not drinking, not drunk.

39, reduce the consumption of salty, smoked, barbecue food.

40. Eat fresh vegetables and fruits every day.

4 1, and eat grains and beans rich in fiber every day.

42. Eat a balanced diet every day, but don't overdo it.

43. Maintain an ideal weight, but not fat.

44. Keep a regular life and exercise.

45. Keep a relaxed and happy mood.

46. Correct eating habits: Eat like an emperor in the morning, like a civilian at noon, and like a beggar at night.

10. Please help us think about the little mysteries in life (interesting phenomena, common sense).

1. Thick soapy water with sugar can blow out bigger bubbles and is not easy to break. (Increase surface tension)

2. Fill a cup with water, put a piece of paper on the cup, press it with your hand, turn the quilt over, and let go of the hand that presses the paper. The paper contains a glass of water. (Atmospheric pressure)

3. Put clear water and an egg in a big transparent container, and the egg will sink to the bottom. Then add a few spoonfuls of salt to the water and stir. You will see the eggs floating on the water surface, and then slowly add water along the container wall. You will see the eggs slowly sink to the bottom. Salt water is denser than water, which can increase the buoyancy of eggs. )

Magnifier can light up the paper by gathering the light from the sun, so that students can compete who can light up the paper quickly. Of course, students should be protected from the sun.

For the time being, I only think of these things suitable for primary school students, which can be done by them. I hope they can help you.