9 crazy human body facts

1. In a lifetime, you'll make enough saliva to fill two Olympic pools.

2.You can survive without most of your internal organs.

You can survive without your stomach, spleen and almost every organ from around the pelvic and groin.

3.Teeth start growing six months before birth.

Teeth buds typically form late in the first trimester. The teeth generally don't push through the gums until babies are between four and seven months of age.

4.You lose your taste buds as you age.

5.Your stomach acid can dissolve razor blades.

6.Blondes have the most hair.

Blondes might not really have the most fun, but they're definitely hairier than the rest of us with an average of 146,000 follicles. That's well above the 110,000 follicles of raven-haired folks, the 100,000 follicles of brunettes, and the measly 86,000 follicles of redheads, with each follicle capable of producing 20hairs, that's one impressive mane!

7.The nail on your middle finger grows the fastest.

8.The brain generates as much power as a 10-Watt light bulb.

It seems those pictures of people with light bulbs above their head aren't too far off, the brain doesn't just generate that amount of power when you have a good idea, it even continues to light uo when you're sleeping.

9.Nerve impulses to and from the brain travel as fast as a sports car.

These nerve impulses clock in speeds of up to whopping 170 miles per hour, this ensures we can react quickly when we put our hand on the hot stove or get asked a rapid-fire question. Even if you're feeling sluggish, your brain is working at an impressive pace.