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Which of the following is a benefit of physical fitness ?

  • A.Decrease in lean body mass
  • B.Increased bone density
  • C.Increased risk of cardiovascular disease
  • D.Impaired immune system

Answer: B

A benefit of physical fitness is increased bone density.

Weight-bearing and resistance exercise loads the skeleton, which stimulates bone formation and helps prevent osteoporosis in later life.

The other options are the reverse of what fitness does. Regular activity increases lean body mass rather than decreasing it, lowers the risk of cardiovascular disease, and generally strengthens rather than impairs immune function.

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