Your body is creating and killing about 2.4 million red blood cells per second.
17
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
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
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
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
Your heart will pump about 212 million liters in its lifetime.
26
Lobsters have blue blood.
476