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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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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The average office desk has 400 times more bacteria on it than a toilet.
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If you could remove all of your skin, it would weigh up to 5 pounds.