Explain how a muscle contraction works? What structures are parts of this process? Question 47 options:
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- At the neuromuscular junction, the action potential causes the release of a neurotransmitter called acetylcholine (ACh) from the nerve terminal. Show more…
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Drag each tile to the correct box. Arrange the steps in the correct order to explain how a muscle fiber contracts. Myosin and actin protein filaments attach to each other. Calcium ions release into the myofibrils. Myosin filaments pull on the actin filaments. The nerve impulse reaches the neuromuscular junction. The motor neuron carries the nerve impulse. The sarcomere shortens. ↓ ↓ ↓ ↓ ↓
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What is the sequence of events involved in the cross-bridge cycle? How do these events explain how muscles generate force and shorten when they are stimulated to contract?
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