It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Mosquitoes don't just bite you, they also pee on you.
11
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
Your heart will pump about 212 million liters in its lifetime.
26
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Your body is creating and killing about 2.4 million red blood cells per second.
17
20 minutes after smoking a cigarette, blood pressure drops to normal.
37