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Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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People about to have surgery must tell their health care providers about all supplements they take.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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The average adult has about 21 square feet of skin.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.