Pain travels through the body at 350 feet per second!
23
When you take a step, you are using up to 200 muscles.
886
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
When a person dies, hearing is usually the last sense to go.
124
Kissing an infection-free partner is good for your teeth!
141
People who sleep late have more mental stamina and can outperform early risers.
33