A Subject,with Eyes Closed,repeatedly Contracts a Muscle Until Fatigue Occurs

question 8

Multiple Choice

A subject,with eyes closed,repeatedly contracts a muscle until fatigue occurs.When the eyes are opened,the muscle's ability to produce force is improved.This experiment is a demonstration of fatigue being linked to which of the following sites?

• A)muscle
• B)central nervous system
• C)mitochondria
• D)peripheral nervous system

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