Mosquitoes don't just bite you, they also pee on you.
11
Lobsters have blue blood.
476
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
Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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