Biology, asked by dwdavis012407, 19 days ago

What happens when Ca2+ are released in the cytoplasm of the muscle cell?
A. An action potential is triggered.
B. Acetylcholine is released.
C. Na+ enters the muscle cell membrane.
D. The muscle contracts.

Answers

Answered by bijo7979
1

Explanation:

C. Na+ enters the muscle cell membrane.

correct answer

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