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Author Question: Which of the following are considered the building blocks of the immune system? A) Red blood ... (Read 14 times) |
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.