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Why the white skeletal muscles undergo e...

Why the white skeletal muscles undergo earline fatigue than the red skeletal muscles?

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**Step-by-Step Solution:** 1. **Understanding Muscle Types**: Skeletal muscles are categorized into two main types: white (fast-twitch) and red (slow-twitch) muscles. The primary difference between these muscle types lies in their structure and function. 2. **Myoglobin Presence**: Red skeletal muscles contain a high concentration of myoglobin, which is an iron and oxygen-binding protein. This protein is crucial for storing oxygen in the muscle tissue. 3. **Oxygen Storage**: The presence of myoglobin allows red skeletal muscles to store more oxygen, which is essential for aerobic respiration. This process generates energy efficiently over a longer duration. ...
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Knowledge Check

  • A skeletal muscle can show

    A
    isotonic contraction
    B
    isometric contraction
    C
    twitch contraction
    D
    All of the above
  • In a contracted skeletal muscle fiber,

    A
    M line disappears
    B
    H zone elongates
    C
    I band remains constant
    D
    A band disappears
  • Myoglobin of skeletal muscles

    A
    is present in sarcoplasm
    B
    stores carbon dioxide
    C
    stores oxygen
    D
    Both (a) and (c)
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