Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Lobsters have blue blood.
476
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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