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Organisation of Muscle - Coggle Diagram

- - - - Invaginations of plasma membrane which are present in striated muscle
      - Maintain SR calcium store under control of membrane depolarization via voltage sensor channel
    - - Storage of calcium ions
  - - - Dark colored bands
      - I bands
      - Thin filament
    - - Light colored bands
      - A bands
      - Thick filament
  - - - 2 heavy chains, 4 light chains
      - Head and tail
      - Head has ATPase activity, tail is body of filament
    - - Actin, tropomyosin, troponin
      - Troponin C bind to calcium ion and undergo conformational change to reveal active site of actin