Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Mosquitoes don't just bite you, they also pee on you.
11
Your heart will pump about 212 million liters in its lifetime.
26
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Your body is creating and killing about 2.4 million red blood cells per second.
17
The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301