The average person's skin weighs twice as much as their brain.
131
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your thumb is about the same size as your nose.
124
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The human eye blinks an average of 4,200,000 times a year.
233
A person can live without food for about a month, but only about a week without water.
156
By weight, Bone is five times stronger than steel.
417