Your body is creating and killing about 2.4 million red blood cells per second.
17
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
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
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
Mosquitoes don't just bite you, they also pee on you.
11
Lobsters have blue blood.
476