Your body is creating and killing about 2.4 million red blood cells per second.
17
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain doesn't stop developing until about 25 years old.
102
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89