The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Within three days of death, the enzymes that once digested your food begin to eat you.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
In one day, adult lungs move about 10,000 litres of air.
11
Your body is creating and killing about 2.4 million red blood cells per second.
17
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
