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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss. Terrestrial plants and animals can be characterized by analogous pathways for water gain and loss.
cat muscle anatomy lab16 cat muscle anatomy lab16
Anatomy of Skeletal Muscle Anatomy of Skeletal Muscle
Cardiac Muscle Cardiac Muscle
Smooth Muscle Smooth Muscle
Pathway by which the nervous system controls skeletal muscle contraction Pathway by which the nervous system controls skeletal muscle contraction
Video: Photosynthesis overview Animation

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