Examlex
Which of the following describes an intervening relationship between X, Y, and Z?
Athletes
Individuals who are highly skilled in physical activities or sports, often participating in competitions.
Physical Activity
Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, or exercising.
Vitamins
Organic compounds that are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body.
Minerals
Inorganic substances required by the body in small amounts for various functions, including bone formation and enzyme activation.
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