What is involved in the process of muscle relaxation?
A) Acetylcholinesterase promotes the concentration of acetylcholine to allow the muscle membrane to return to resting potential.
B) Ca2+ is actively taken up by the lateral sacs of the sarcoplasmic reticulum when there is no longer a local action potential.
C) The cross bridges from the thick filaments bind to the thin filaments and bend in such a way as to return the filaments to their original resting position.
D) ATP is no longer available.
Correct Answer:
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