What is the effect of inhalation on the diaphragm?
Understand the Problem
The question is asking about the physiological effects of inhalation on the diaphragm, specifically how it responds during the process of breathing in.
Answer
The diaphragm contracts and moves downward.
The diaphragm contracts and moves downward during inhalation.
Answer for screen readers
The diaphragm contracts and moves downward during inhalation.
More Information
During inhalation, the contraction of the diaphragm increases the volume of the chest cavity, which decreases the pressure inside the lungs, allowing air to flow in.
Tips
It's common to think the diaphragm relaxes during inhalation, but it actually contracts.
Sources
- Breathing: Motor Control of Diaphragm Muscle - PMC - pmc.ncbi.nlm.nih.gov
- Learning diaphragmatic breathing - health.harvard.edu
- Breathing - Health Video: MedlinePlus Medical Encyclopedia - medlineplus.gov
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