The average person's skin weighs twice as much as their brain.
131
Yawns are more contagious among people with closer relationships.
163
The human brain has the capacity to store everything that you experience.
4k
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human body contains over a billion miles of DNA.
147
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Your body is creating and killing about 2.4 million red blood cells per second.
17