Locomotion and Movement

Question

All or none law is not applicable for

  • whole skeletal muscle

  • single skeletal muscle fibre

  • whole cardiac muscle

  • single smooth muscle fibre

Answer

A.

whole skeletal muscle

All or none law or Bowditch's law is a principle which states that response of a muscle nerve to a stimulus is not proportionate to the intensity of stimulus but is either present in full strength or completely absent. This law is applicable to single muscle fibre but entire muscle does not follow this law.

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