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anonymous

  • one year ago

When a muscle contracts, what happens? Calcium combines with ATP to produce sarcomeres. Actin produces myosin and ATP. Myosin heads attach to and pull on a series of actin-binding sites. Calcium produces contractions.

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  1. Awolflover1
    • one year ago
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    Myosin heads attach to and pull on a series of actin-binding sites.

  2. anonymous
    • one year ago
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    How, I don't think so...

  3. Awolflover1
    • one year ago
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    -_- what do you think ?

  4. anonymous
    • one year ago
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    When muscle contracts, it generates a force at the origin and insertion, causing the muscle to shorten and changing the angle of the joint.

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