Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The average adult has about 21 square feet of skin.
Red-Green Color Blindness Is a Sex-Linked Trait in Humans
Identify the structures shown below by filling in the blanks.
A medical assistant holds a specimen container to receive a biopsy sample.
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...