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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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By definition, when a medication is administered intravenously, its bioavailability is 100%.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Basal cell carcinoma. Basal cell carcinoma.
yeast cell signaling yeast cell signaling
Cell-mediated immunity, primary and secondary response. Cell-mediated immunity, primary and secondary response.
When the exhaust is lean, the PCM applies a positive current into the pump cell. When the exhaust is lean, the PCM applies a positive current into the pump cell.
Cell parts and their functions Cell parts and their functions
Cell Cell
Video: Glycolysis Animation

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