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There are more sensory neurons in the tongue than in any other part of the body.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Anatomy of the skin. Illustration of a section of skin showing key structures. Anatomy of the skin. Illustration of a section of skin showing key structures.
Internal structures at the back of the eye. Internal structures at the back of the eye.
Structures of a cell. Structures of a cell.
Pregnant and Lactating Women, Children, the Ill, and Older Adults Are at the Highest Risk Pregnant and Lactating Women, Children, the Ill, and Older Adults Are at the Highest Risk
Summary of Homologous Structures of the Female and Male Reproductive Systems Summary of Homologous Structures of the Female and Male Reproductive Systems
Elf kindergarten drawing 2023 Elf kindergarten drawing 2023
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

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