Describe the changes that take place
1. around the rib cage
2. diaphragm
3. chest cavity, during respiration.
state the effects of these changes.
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2
Answer:
chest cavity, during respiration
Explanation:
i think
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4
Answer:
During inspiration, the diaphragm and external intercostal muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic cavity and lung volume. This creates a lower pressure within the lung than that of the atmosphere, causing air to be drawn into the lungs.
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