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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Traction is the application of a pulling force to maintain bone alignment during fracture healing. D Traction is the application of a pulling force to maintain bone alignment during fracture healing. D
Application of an ostomy bag or pouch: E, A clamp is applied to the bottom of the bag once it is in Application of an ostomy bag or pouch: E, A clamp is applied to the bottom of the bag once it is in
Application of a cast. Application of a cast.
Example of an online employment application and posting of a résumé. Example of an online employment application and posting of a résumé.
Ascaris. (Sinclair Stammers/Science Photo Library/Photo Researchers, Inc.) Ascaris. (Sinclair Stammers/Science Photo Library/Photo Researchers, Inc.)
Application And Integration Application And Integration
Video: Introduction to Macular Degeneration

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