In one day, adult lungs move about 10,000 litres of air.
11
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
You see your nose at all times, your brain just chooses to ignore it.
30
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
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
Your heart will pump about 212 million liters in its lifetime.
26
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89