Mushrooms are more closely related to humans than they are to plants.
47
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The human eye blinks an average of 4,200,000 times a year.
233
Tigers can see 6 times better at night than humans.
305
A person can live without food for about a month, but only about a week without water.
156
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The largest cell in the human body is the female egg and the smallest is the male sperm.
682