Page 10: 46. During muscle contraction, which of the follow…
Page 10: 46. During muscle contraction, which of the following shortens? 47. The neurotransmitter at the neuromuscular junction of a skeletal muscle is 48. In which phase of the contraction myosin attach to actin? 49. Which connective tissue surrounds a fascicle of muscle fibers? 50. Extensions of the sarcolemma that carry action potentials to the triad are called