What muscle is primarily responsible for the process of inhalation?

Practice Questions

Q1
What muscle is primarily responsible for the process of inhalation?
  1. Intercostal muscles
  2. Diaphragm
  3. Abdominal muscles
  4. Pectoral muscles

Questions & Step-by-Step Solutions

What muscle is primarily responsible for the process of inhalation?
  • 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: Remember that the increase in space allows air to flow into the lungs.
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