It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Lobsters have blue blood.
476
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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 body is creating and killing about 2.4 million red blood cells per second.
17
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108