Your heart will pump about 212 million liters in its lifetime.
26
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
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Lobsters have blue blood.
476
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301