The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
It takes about 20 seconds for a red blood cell to circle the whole body.
102
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Every year your body replaces 98% of your atoms.
119
The human body contains over a billion miles of DNA.
147