Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
Lobsters have blue blood.
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.
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.