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The longest a person has survived after a heart transplant is 24 years.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Leaf organization Leaf organization
Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Biology Is Studied at Many Levels of Organization (Part 2) Biology Is Studied at Many Levels of Organization (Part 2)
Here are images of live zebrafish that were studied for genetics and head size to give insight into Here are images of live zebrafish that were studied for genetics and head size to give insight into
An overview of the levels of organization in nature An overview of the levels of organization in nature
Conservation of organization and patterns of expression in Hox genes Conservation of organization and patterns of expression in Hox genes
Video: ATPase function - membrane transport, contractile proteins and synthesis

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