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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Your heart will pump about 212 million liters in its lifetime.
26
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Lobsters have blue blood.
476
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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