Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Hertzsprung–Russell diagram
Human Ear diagram
Mixing schematic Diagram CHE 415 unit operations experiment apparatus
Schematic diagram showing polyclonal response by B cells against linear epitopes.