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Describe in Brief the Function of Ribs and Diaphragm in Breathing. - Biology

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Question

Describe in brief the function of ribs and diaphragm in breathing.

Short Note

Solution

  1. Ribs muscles—During inhalation, the ribs muscles contract and push the ribs upward and outward. During exhalation, these relax and cause the ribs to return to the original position.
  2. Diaphragm: During inhalation, it becomes flattened while during exhalation it relaxes and moves up and back into convex (dome) shape.
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Chapter 5: Respiratory System - Short Answer Questions

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Selina Concise Biology [English] Class 6 ICSE
Chapter 5 Respiratory System
Short Answer Questions | Q 2
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