List the muscles involved in respiration and briefly describe their function.

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College Answer

Most candidates correctly identified the diaphragm, intercostals, abdominals and accessory
muscles as important. However, the majority of candidates omitted to mention the muscles of the
larynx, pharynx and airway and thus failed to achieve a good score. Good answers included a
detailed description of their function including differentiating between external and internal
Syllabus: B1b,1, 2a
References: Nunn’s respiratory physiology P76 – 80 and West, Respiratory Physiology: the
Essentials, pgs 93 - 95