20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Mosquitoes don't just bite you, they also pee on you.
11
Lobsters have blue blood.
476
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
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
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Your heart will pump about 212 million liters in its lifetime.
26