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Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The average adult has about 21 square feet of skin.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Illicit drug use costs the United States approximately $181 billion every year.
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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.