One human hair can support 3 ounces.
191
The average sperm cell swims at 8 inches per hour.
76
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
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193