When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The average person's skin weighs twice as much as their brain.
131
When you take a step, you are using up to 200 muscles.
886
The human body contains over a billion miles of DNA.
147
The human brain has the capacity to store everything that you experience.
4k
Every year your body replaces 98% of your atoms.
119
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your body is creating and killing about 2.4 million red blood cells per second.
17