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During inspiration, the diaphragm contracts and moves downward, increasing the thoracic cavity volume.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Mechanism of Breathing and Respiratory Volumes
During inspiration, alveolar pressure decreases below atmospheric pressure, allowing air to enter the lungs.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Mechanism of Breathing and Respiratory Volumes
The diaphragm contracts and moves downward during inspiration, increasing thoracic cavity volume.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Mechanism of Breathing and Respiratory Volumes
During inspiration, the diaphragm contracts and moves downward, increasing thoracic volume and reducing pressure, allowing air to enter the lungs.
Ref: NCERT Class 11 Biology Chapter 14: Breathing and Exchange of Gases Respiratory Organs and Human Respiratory System
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