Biology · Mechanism of Breathing - Inspiration
What is the primary cause for the development of low pressure (negative pressure) in the lungs during inspiration?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Contraction of the abdominal muscles
- 2Increase in the volume of the thoracic cavity✓
- 3Relaxation of the diaphragm
- 4Decrease in the volume of the thoracic cavity
Correct answer
Increase in the volume of the thoracic cavity
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