Your heart will pump about 212 million liters in its lifetime.
26
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
A human being loses an average of 40 to 100 strands of hair a day.
133