After a person or animal dies, the muscles of the body become very flaccid for a short period of time, before rigor mortis sets in. Which of the following is a possible explanation for why this brief state of flaccidity occurs?
A) Muscle cells become overexcited following death.
B) ATP is depleted and therefore there exists no energy for the contraction cycle.
C) Skeletal muscles require stimulation from the nervous system to contract, which ceases upon death.
D) Ca2+ leaks out of cells causing myosin to attach to actin.
Correct Answer:
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