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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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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Schematic of typical animal cell depicting the various organelles and structures.
Schematic of typical plant cell
A typical catalytic converter with a monolithic substrate.
Typical "butterfly" rash seen in SLE.
Public Speaking: Strategies for Success, 9th
The genome of a typical retrovirus is shown at the top of the diagram