What muscle is primarily responsible for inhalation?

Practice Questions

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

Questions & Step-by-Step Solutions

What muscle is primarily responsible for 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: Recognize that the increase in space allows air to flow into the lungs.
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