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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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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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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Competition can be (a) direct, or (b) indirect interaction among individuals of the same or differen Competition can be (a) direct, or (b) indirect interaction among individuals of the same or differen
Roe deer in a grassland area. Roe deer in a grassland area.
Aquilia Area in Color: Aquilia Area in Color:
This chart shows the various lines of responsibility and how they differ in presidential and parliam This chart shows the various lines of responsibility and how they differ in presidential and parliam
Medical assistant working in a front office area of a medical office. Medical assistant working in a front office area of a medical office.
Stock Market Tracks Growth in GDP Stock Market Tracks Growth in GDP
Video: Segmentation and migrating motility complexes & Gastroileal reflex

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