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
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Mosquitoes don't just bite you, they also pee on you.
11
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Lobsters have blue blood.
476
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301