20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Your heart will pump about 212 million liters in its lifetime.
26
Your body is creating and killing about 2.4 million red blood cells per second.
17
Lobsters have blue blood.
476
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Mosquitoes don't just bite you, they also pee on you.
11
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