Pain travels through the body at 350 feet per second!
23
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The male fetus is capable of attaining an erection during the last trimester.
75
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Men have larger hearts; women's hearts beat faster.
77
In one day, adult lungs move about 10,000 litres of air.
11
Contrary to popular beliefs, chocolate does not cause acne.
63
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33