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What is the primary muscle involved in the process of breathing? (2021)
What is the primary muscle involved in the process of breathing? (2021)
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Q1
What is the primary muscle involved in the process of breathing? (2021)
Diaphragm
Intercostal muscles
Abdominal muscles
Pectoral muscles
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The diaphragm is the primary muscle that contracts and relaxes to facilitate breathing.
Questions & Step-by-step Solutions
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Q
Q: What is the primary muscle involved in the process of breathing? (2021)
Solution:
The diaphragm is the primary muscle that contracts and relaxes to facilitate breathing.
Steps: 5
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Step 1: Understand that breathing is the process of taking air in and pushing air out of the lungs.
Step 2: Identify the main muscle that helps with this process.
Step 3: Learn that the diaphragm is a dome-shaped muscle located at the bottom of the rib cage.
Step 4: Know that when the diaphragm contracts, it moves downwards, creating more space in the chest for air to enter the lungs.
Step 5: Recognize that when the diaphragm relaxes, it moves back up, helping to push air out of the lungs.
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