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The role of calcium in muscle contractio...

The role of calcium in muscle contraction is :

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Knowledge Check

  • Muscle contraction requires :

    A
    calcium ions
    B
    action potential arrival
    C
    ATP
    D
    all of these

  • When muscles contract:

    A
    sarcomeres increase in size
    B
    myosin slides past actin
    C
    H zone disappears
    D
    calcium is taken up by calcium storage sacs
    • ICSE-LOCOMOTIONA ND MOVEMENT -TEST YOUR PROGRESS ( SHORT/LONG ANSWER TYPE QUESTIONS )
    1. The role of calcium in muscle contraction is :

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    2. Most voluntary muscles are found in antagonistic pairs. Explain.

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    3. How are red muscle fibres specialized for sustained work over a prolon...

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    4. During contraction, what changes would you expect to see in the variou...

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    5. When two stimuli are applied to the muscle with the second following t...

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    6. How is the structure of a sarcomere suitable for the contractility of ...

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    7. Describe the various kinds of skeletal joints in human body according ...

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    8. How does the muscle shorten during its contraction and lengthen during...

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    9. Describe the various kinds of skeletal joints in human body according ...

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    10. Name three important functions of ATP in skeletal muscle contraction.

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    11. Which structure of the mouth contains intrinsic and extrinsic muscles ...

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    12. If a small load is attached to a muscle that is then tetanically stimu...

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    13. What conditions would produce the maximum tension from any given skele...

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    14. As a result of an automobile accident, 50 per cent of the muscle fibre...

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    15. Write the important properties of muscles.

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    16. Differentiate between Red and white muscle fibres

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    17. Give the chemical events and changes that take place during muscle con...

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    18. Draw a labelled diagram of a synovial joint. Give one example each for...

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    19. What is a joint? Describe various types of joints with suitable exampl...

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    20. Describe the structure of a vertebrate skeletal muscle. Explain the sl...

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