10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
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
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Mosquitoes don't just bite you, they also pee on you.
11
Your heart will pump about 212 million liters in its lifetime.
26
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