Question

interesting facts of humanbody

Answer 1

1. The brain is more active at night than during the day. Scientists don't know yet why this is.

2. The higher your IQ, the more you dream.

3. Facial hair grows faster than any other hair on the body.

4. The nail on the middle finger grows faster than the other fingernails.

5. Fingernails grow nearly four times faster than toe nails.

6. The lifespan of a human hair is 3 to 7 years on average.

7. The acid in your stomach is strong enough to dissolve zinc. It doesn't destroy the stomach because because the stomach walls constantly renews itself.

8. Women's hearts beat faster than men's.

Answer 2

1.the average red blood cells live for 120 days
2.we give birth to 200 billion red cells everyday
3.we exercise at least 36 muscles when we smile
4.about 10,000 human cells can fit into the head of a pin
5.our nose can remember up to 50,000 different scents
6.having excessive hair is linked to a higher intellect.