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How does an electrical impulse from a nerve lead to muscle contraction? How does skeletal muscle contract...

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Biology

  1. How does an electrical impulse from a nerve lead to musclecontraction?
  2. How does skeletal muscle contract and generate force?
  3. How does muscle twitch, summation, and tetanus affect thestrength and duration of muscle contraction?
  4. What are the different types of skeletal muscle contractions?Explain the difference?

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Answer & Explanation Solved by verified expert
3.9 Ratings (716 Votes)
1 Electrical impulse when reach the nerve ending helps in releasing calcium ions calcium ions make neurotransmitter containing synaptic vesicles to move towards the end of nerve to release them tis neurotransmitter attaches to receptors on the muscle this makes release of sodium ions which generates an impulse which run along muscle just like along nerve when it reaches sarcoplasmic reticulum calcium ions    See Answer
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