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Body composition is normally measured as a percentage of weight, which serves as an effective indicator of health.CorrectIncorrect
Inactivity can lead to muscle shortening and a loss of flexibility (e.g. sedentary living or when a body part has been immobilized in a plaster cast).CorrectIncorrect
This law applies to individual motor units, not the entire muscle. Only the muscle fibres stimulated by the motor unit(s) recruited will contract.CorrectIncorrect