The average sperm cell swims at 8 inches per hour.
4
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
By weight, Bone is five times stronger than steel.
417
Your heart will pump about 212 million liters in its lifetime.
26
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89