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Discuss the Function of the Diaphragm in Breathing. - Biology

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Question

Discuss the function of the diaphragm in breathing.

Short Note

Solution

The function of diaphragm: It helps in breathing by contracting and relaxing thereby increase and decrease the volume of the thoracic cavity. During inspiration, the diaphragm flattens while during expiration it becomes dome-shaped.

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Chapter 19: Respiratory System - Exercise [Page 176]

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Frank Biology [English] Class 9 ICSE
Chapter 19 Respiratory System
Exercise | Q 8.2 | Page 176

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