MULTIPLE ANSWER QUESTIONS. Select all that apply. Which of the following occurs when the muscle is excited (contracting)? OThe myosin binding site on the actin thin filaments are covered O Ca2+ ion are being released from the sarcoplasmic reticulum into the sarcoplasm Zone of overlap of a sgrcomere increases The H-zone of a sarcomere gets larger The myosin head is NOT attached to the actin thin filament

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A: As per our honor code we are authorized to answer only one question at a moment. In case you need…