Some interesting facts that most people don’t know.

  • When you see a person or thing you like, your pupil will be enlarged by 45%.
  • The moment we sneeze, all organs in the body will temporarily stop, even the heart can’t be avoided! So at the moment of sneezing, he is the closest to death.
  • Normally, the length of the thumb is exactly the same as the height of the nose.
  • Infants can breathe and swallow at the same time, but adults cannot.
  • Only 30% of people can enlarge or reduce their nostrils. (try it)
  • Human stomach acid is very acidic, strong enough to dissolve steel razor blades. (But this does not mean that you can eat steel razor blades.)
  • The left ear is controlled by the right brain, and the right brain dominates emotions, so the left ear is quicker than the right ear when receiving sweet words. So, when you lie to a girl, walk to her left.
  • The cells of the human body are renewed every seven years. That is to say, every seven years, what you see in the mirror is not the same you were seven years ago!
  • People have dry mouth when lying. (Does anyone who drink more water like to lie? )
  • Sneezing too strong will cause your chest to rupture, but if you want to hold back this sneeze, it will cause the blood vessels in your head or neck to rupture! (Always wondering what is the definition of “strong”? )
  • The kings of each suit in the playing cards represent the great kings in history: spades are King David, clubs are Alexander the Great, hearts are Charles the Great, and diamonds are Caesar the Great .
  • Except for green and yellow, the colors that cats see are black, white and gray, so if the cat suddenly sees cucumbers, bananas, etc. It will be frightened to fly.
  • There is no way to hold your breath, because the brain’s survival instinct will make you breathe suddenly when you are about to die from lack of oxygen!
  • Smelling the smell of bananas will make a person lose weight. (But I can’t help but take a bite and become fatter)
  • People consume very little energy when talking. Even if they talk about it for a year, the energy released can’t even boil a glass of water.
  • When crying, the first tear in the right eye is joy; the first tear in the left eye is pain. Does left and right together mean pain and happiness?
  • The lung is the only organ in the human body that does not consume any energy and functions. The exhalation and inhalation of air is carried out by the diaphragm and chest muscles.
  • Don’t look at the fat and swelling hippopotamus, it runs faster than you.
  • If the tooth is lost, go to the hospital in time and it can be installed. The complete tooth tissue must be preserved. If the tooth is repaired in the hospital within 24 hours, it will be basically the same as the previous tooth.
  • You can chew a piece of gum when you are eating very hard. When chewing gum, your stomach will be fooled by your chewing action, thinking that you are still eating continuously, which will speed up your peristalsis. Stomach moves fast, food digests fast, and you won’t feel full!
  • The Spanish National Anthem has no lyrics.(wow)
  • Point to a high place and say “look quickly” to someone. When someone looks along, the mouth will open.
  • Urine is actually cleaner than the face, so in theory, urine can be used to wash your face, but urine is not enough to replace water, because water is cleaner than urine~~ 25. A whale has only nine heartbeats a minute.
  • Slightly open your mouth when you drop the eye drops, and your eyes will not turn around
  • The human optic nerve can detect three primary colors: red, green, and blue. All the colors we see are a mixture of red, green and blue light; the pigeon’s optic nerve can detect 5 primary colors, that is to say, the world seen by the pigeon’s eyes is colorful that we can’t imagine.
  • The youngest couple in the world is a Chinese child in 1910, 8 and 9 years old.
  • “The quick brown fox jumps over the lazy dog” uses all the letters in English.
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