The Nervous System Can Alter the Activities of Skeletal Muscle

question 26

Multiple Choice

The nervous system can alter the activities of skeletal muscle fibers because

• A)it is electrically coupled by gap junctions to the muscles.
• B)its signals bind to receptor proteins on the muscles.
• C)its signals reach the muscles via the blood.
• D)its light pulses activate contraction in the muscles.
• E)it is connected to the internal neural network of the muscles.

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