An adult man's body contains - on average - 1.25 to 1.5 gallons of blood.
People who live at high altitudes, where the air contains less oxygen,
may have up to 1.9 liters more blood than people who live in low
altitude regions. The extra blood delivers additional oxygen to body cells.
Blood doesn't have it's own keyword/label in this blog, but maybe it should.
Blood doesn't have it's own keyword/label in this blog, but maybe it should.