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What is the primary function of the alveoli? (2022)

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Question: What is the primary function of the alveoli? (2022)

Options:

  1. Transport oxygen
  2. Filter air
  3. Gas exchange
  4. Produce mucus

Correct Answer: Gas exchange

Exam Year: 2022

Solution:

The primary function of the alveoli is gas exchange, where oxygen is absorbed into the blood and carbon dioxide is released.

What is the primary function of the alveoli? (2022)

Practice Questions

Q1
What is the primary function of the alveoli? (2022)
  1. Transport oxygen
  2. Filter air
  3. Gas exchange
  4. Produce mucus

Questions & Step-by-Step Solutions

What is the primary function of the alveoli? (2022)
  • Step 1: Understand that alveoli are tiny air sacs 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: Know that carbon dioxide, which is a waste gas, moves from the blood into the alveoli.
  • Step 6: Finally, when we breathe out, we release carbon dioxide from the alveoli.
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