Your heart will pump about 212 million liters in its lifetime.
26
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Lobsters have blue blood.
476
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
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
Mosquitoes don't just bite you, they also pee on you.
11
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12