Your body is creating and killing about 2.4 million red blood cells per second.
17
Mosquitoes don't just bite you, they also pee on you.
11
Lobsters have blue blood.
476
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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