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There are 20 feet of blood vessels in each square inch of human skin.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Language Access Services Language Access Services
The major language areas of the left hemisphere of the brain. The major language areas of the left hemisphere of the brain.
Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l Symbolic language may have helped reinforce exclusive sexual relationships within social groups in l
Milestones of Infant Language Development Milestones of Infant Language Development
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One-eighth of a Circle One-eighth of a Circle
Video: Photosynthesis and Van Helmont Experiment

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