If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
A human being loses an average of 40 to 100 strands of hair a day.
133
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
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
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
