What cold knowledge do you have to know in life?

Cold knowledge you don't know in life:

1. Blood transfusion is not allowed between immediate family members, and it is false for parents to donate blood to save their children in TV series.

Kissing a dog can lead to rabies, so some dog lovers should pay attention.

Husband is an ancient name for eunuch.

A cat with three colors must be a female cat.

Staring straight at the palm of your hand will make it hot.

6. No paper can be folded nine times, no matter how thin it is.

7. Fart will come out of your mouth, but the taste will be digested.

8. Pigs don't look up at the sky.

9. The chicken comes before the egg.

10. It is impossible to hold your breath and commit suicide.

It is impossible to sneeze with your eyes open.

12. Lighters were invented before matches.

13. Lobster's blood is blue.

14. Hot water freezes more easily than cold water.

15. Eat less chicken ass containing carcinogens.

16. Ducks will not be answered.

17. People eat bananas most easily to attract mosquitoes.

18. If you sneeze too hard, your ribs may be broken.

19. Holding back from sneezing may lead to the rupture of blood vessels in the brain or neck and death.

20. Although citric acid is actually an alkaline food.

2 1. Don't lick your lips when they are dry, they will only get drier and drier.

22. The front of the identity card is the face of the country.

23. In China, you can call the police by SMS, and edit the SMS and send it to 12 1 10.

24. Look up when you squat down and stand up again, so as not to faint.

25. In our country, there is a national female host occupation, and the official establishment is done by the State Council.

26. I just got up in the morning and didn't eat breakfast. I can't wash my hair. I am in a state of hunger. My head is stimulated by water, and water vapor will directly invade my brain.

27. Germans always check the right options, and Germany gets full marks.

28. There is a cat with no tail in the world: the Islander cat.

29. The fingerprints of koalas are almost identical to those of humans.

3 1. The weight of the human body is about 40 times that of the brain.

You can't put the light bulb in your mouth, so you won't take it out.

33. Kong Rong, three-year-old Jean Pear, was unfilial and was killed by Cao Cao.