If your DNA was stretched out it would reach to the moon 6,000 times.
256
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
One human hair can support 3 ounces.
191
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Held in farts enter your bloodstream and are bad for your body.
26
The average sperm cell swims at 8 inches per hour.
76
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13