In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
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
Tigers can see 6 times better at night than humans.
305
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Your fingernails grow faster in summer.
744
By weight, Bone is five times stronger than steel.
417
Your heart will pump about 212 million liters in its lifetime.
26
The human sigh acts as a physiological reset button.
23