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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

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In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Anfinsen's experiments with ribonuclease demonstrating that the primary structure of a polypept Anfinsen's experiments with ribonuclease demonstrating that the primary structure of a polypept
Examples of cell-to-cell communication based on the distance between cells Examples of cell-to-cell communication based on the distance between cells
The formed elements: In this image, the red cells are red, the white cells are white, and the ... The formed elements: In this image, the red cells are red, the white cells are white, and the ...
Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ... Hematopoiesis: Blood cells are formed from stem cells under the influence of hormones such as ...
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
1.6 Organisms are made up of cells, each of which contains an identical set of genes. 1.6 Organisms are made up of cells, each of which contains an identical set of genes.
Video: Chronology of leptin research (A history of leptin research)

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