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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Human Structure Human Structure
Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System
A model of transcription initiation as deduced from the crystal structure of TFIIB complexed A model of transcription initiation as deduced from the crystal structure of TFIIB complexed
Algebraically determine the exact value of sin(-π/6)+cos (7 π/4) Algebraically determine the exact value of sin(-π/6)+cos (7 π/4)
Opener Crystal structure of a Thermus thermophilus Opener Crystal structure of a Thermus thermophilus
Video: Congenital Heart Defects Animation

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