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Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

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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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When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Inhibition as a primary method of succession in the marine intertidal zone. Inhibition as a primary method of succession in the marine intertidal zone.
Primary production is positively correlated with the evapotranspiration rate. Primary production is positively correlated with the evapotranspiration rate.
Cell-mediated immunity, primary and secondary response. Cell-mediated immunity, primary and secondary response.
Ekman’s six primary facial expressions of emotion and one combination facial expression. ... Ekman’s six primary facial expressions of emotion and one combination facial expression. ...
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have
Video: Secondary and tertiary levels of protein structure Animation

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