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What muscle is primarily responsible for inhalation?
What muscle is primarily responsible for inhalation?
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Practice Questions
1 question
Q1
What muscle is primarily responsible for inhalation?
Intercostal muscles
Diaphragm
Abdominal muscles
Pectoral muscles
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The diaphragm is the primary muscle responsible for inhalation; it contracts and moves downward, increasing the thoracic cavity volume.
Questions & Step-by-step Solutions
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Q
Q: What muscle is primarily responsible for inhalation?
Solution:
The diaphragm is the primary muscle responsible for inhalation; it contracts and moves downward, increasing the thoracic cavity volume.
Steps: 7
Show Steps
Step 1: Understand that inhalation is the process of breathing in air.
Step 2: Identify the main muscle involved in this process.
Step 3: Learn that the diaphragm is a dome-shaped muscle located at the bottom of the ribcage.
Step 4: Know that when you inhale, the diaphragm contracts.
Step 5: Realize that when the diaphragm contracts, it moves downward.
Step 6: Understand that this downward movement increases the space in the chest (thoracic cavity).
Step 7: Recognize that the increase in space allows air to flow into the lungs.
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