Q:

What are the main muscles involved in normal inspiration?

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What are the main muscles involved in normal inspiration?


  1. muscles of the neck
  2. abdominal muscles
  3. intercostal muscles
  4. intercostals and the diaphragm

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D: Normal inspiration is achieved by contraction of the external intercostal muscles and the diaphragm. The neck and abdominal muscles are used for deep inspiration and forced exhalation respectively. 

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