The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Your body is creating and killing about 2.4 million red blood cells per second.
17
Within three days of death, the enzymes that once digested your food begin to eat you.
22
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217