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
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
Mosquitoes don't just bite you, they also pee on you.
11
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217