The average person's skin weighs twice as much as their brain.
131
Chewing gum boosts your brain power.
285
The human brain has the capacity to store everything that you experience.
4k
Your thumb is about the same size as your nose.
124
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human body contains over a billion miles of DNA.
147
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197