Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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
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
Mosquitoes don't just bite you, they also pee on you.
11