Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
Lobsters have blue blood.
476
Your body is creating and killing about 2.4 million red blood cells per second.
17
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
Your heart will pump about 212 million liters in its lifetime.
26
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301