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Author Question: In a group of 8 friends, many have dated other members of the group. Phoebe has dated Eric, Scott, ... (Read 2055 times) |
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There are 20 feet of blood vessels in each square inch of human skin.
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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.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.