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KEY TERMS ­ A2 Chapter 4 ­ The elite performer: food, supplements and performance-enhancing

Dehydration: the condition that occurs when the amount of water in the body falls below normal,
disrupting the balance of sugars and salts (electrolytes) in the body.

Electrolytes: the scientific term for the ions of…

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Anabolic steroid: a hormone that increases protein use and muscle cell production.

Testosterone: a steroid hormone that develops muscle mass and is responsible for the development
of male secondary sexual characteristics.

HGH: artificial human growth hormone, when produces using recombinant DNA, this looks identical to
the natural hormone.

Beta-blocker: a…


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