Crushed cockroaches can be applied to a stinging wound to help relieve the pain.
31
The average sperm cell swims at 8 inches per hour.
4
Human teeth are almost as hard as rocks!
47
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
The lense of the eye continues to grow throughout a person's life.
34
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37