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What is the main function of alveoli in the lungs? (2019)

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Question: What is the main function of alveoli in the lungs? (2019)

Options:

  1. Gas exchange
  2. Air filtration
  3. Sound production
  4. Temperature regulation

Correct Answer: Gas exchange

Exam Year: 2019

Solution: 

Alveoli are tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide occurs, making them essential for respiration.

What is the main function of alveoli in the lungs? (2019)

Practice Questions

Q1
What is the main function of alveoli in the lungs? (2019)
  1. Gas exchange
  2. Air filtration
  3. Sound production
  4. Temperature regulation

Questions & Step-by-Step Solutions

What is the main function of alveoli in the lungs? (2019)
  • Step 1: Understand that alveoli are small, balloon-like structures in the lungs.
  • Step 2: Know that the main job of alveoli is to help with breathing.
  • Step 3: Realize that when we breathe in, oxygen enters the alveoli.
  • Step 4: Understand that oxygen from the alveoli moves into the blood.
  • Step 5: Learn that carbon dioxide, a waste gas, moves from the blood into the alveoli.
  • Step 6: Finally, know that we breathe out carbon dioxide from the alveoli.
No concepts available.
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