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Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Did you know?
Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.