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Author Question: _____ videotape that Mary picked up on the way home from work turned out to be the __________ and ... (Read 19 times) |
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.
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Your heart beats over 36 million times a year.
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The human body produces and destroys 15 million blood cells every second.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.