Mosquitoes don't just bite you, they also pee on you.
11
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Lobsters have blue blood.
476
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
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
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108