Fun facts about the human body!

1. You can't really commit suicide by holding your breath; at most, you'll just faint, and then your lungs will automatically start breathing again.

2. People shed skin too; over a lifetime, a person could lose about 18 kilograms of skin (in the form of flakes).

3. The human body has over 600 muscles: it takes just 17 muscles to smile, while frowning requires 43 muscles.

4. If you stretch out your intestines, their length would be enough to safely get you from the third floor to the ground.

5. Newborn babies have over 99 more bones than adults because some of their bones fuse as they grow.

(Medical books say that a newborn can have as many as 305 bones, while a normal adult has 206 bones.) Children have 11 to 12 more bones than adults because: a child's sacrum has 5 bones that fuse into 1 when they grow up. A child's tailbone has 4 to 5 bones, which also fuse into 1 as they mature. Children have 2 ilium bones, 2 ischium bones, and 2 pubic bones, which combine into 2 hip bones in adulthood.

6. In the 12 hours you're awake, the time your eyes are closed when you blink adds up to about 1.2 hours.

7. Your brain has around 2.5 million gigabytes of storage, so you don’t have to worry about it getting full.

8. You have about the same amount of hair as a chimpanzee.

9. Due to gravity, you're about 2 centimeters taller in the morning than at night.

10. The iron in your body could make a nail that's almost 4 centimeters long.

11. If you rub slices of onion or garlic on the soles of your feet, you'll probably taste them in your mouth after about 30 to 60 minutes.

12. You shed about 300,000 to 600,000 dead skin cells in a day, which means the dust in your home is really just skin you’ve lost.

13. If you could stretch out all your veins, they would wrap around the Earth two and a half times.

14. If you cross your fingers, and your left thumb is on top, you have higher emotional intelligence than intelligence quotient; if your right thumb is on top, you have a higher IQ than EQ.

15. Human embryos have fingerprints by the time they’re three months old.

16. When you sneeze, your heart pauses for 0.01 seconds, and you always have your eyes closed while sneezing.

⚠️ Sneezing too hard can fracture your ribs, but holding it in might cause blood vessels in your brain or neck to rupture.

17. The total number of bacteria living in your mouth is more than the entire population of the world!

(There are about 200 billion bacteria in the mouth, with hundreds of different types.)

18. Your pee is actually cleaner than your face, so using it to wash your face is totally doable.

(P.S. Urine looks really pretty under a microscope, all colorful and stuff!)

19.The smallest finger, the pinky, is actually the boss among all five. The pinky contributes more than half of the hand's strength, and if you lose it, the other four fingers become pretty weak, with less than half the strength left.

(You can try lifting your pinky while clenching the other four fingers into a fist.)

20. Adult hair can stretch an extra 25% in length without breaking. If it can't stretch that much, it means the hair is damaged!

21. A person can't lick their own elbow. (90% of people reading this will try to lick their elbow.)