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
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
Your heart will pump about 212 million liters in its lifetime.
26
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Your body is creating and killing about 2.4 million red blood cells per second.
17
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217