If you could remove all of your skin, it would weigh up to 5 pounds.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
Three zones of root growth.
Common Root Words and Combining Forms Cont.
Solving a root equation
A taproot system consists of a large main root together with its lateral branchings