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Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Nerves can transmit many signals at the same time Nerves can transmit many signals at the same time
The Serial Reaction Time Task The Serial Reaction Time Task
Velocity-time Graph Velocity-time Graph
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Jim Croce - Time in a bottle - 1973 Jim Croce - Time in a bottle - 1973
The Hfr chromosome time-of-entry map is assembled from the recombinant data The Hfr chromosome time-of-entry map is assembled from the recombinant data
Video: Fetal Development of the Cardiovascular System

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