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
Mosquitoes don't just bite you, they also pee on you.
11
Your heart will pump about 212 million liters in its lifetime.
26
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Lobsters have blue blood.
476
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301