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What is the functional unit of the lung where gas exchange occurs? (2019)

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Question: What is the functional unit of the lung where gas exchange occurs? (2019)

Options:

  1. Bronchi
  2. Alveoli
  3. Trachea
  4. Larynx

Correct Answer: Alveoli

Exam Year: 2019

Solution:

Alveoli are the tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

What is the functional unit of the lung where gas exchange occurs? (2019)

Practice Questions

Q1
What is the functional unit of the lung where gas exchange occurs? (2019)
  1. Bronchi
  2. Alveoli
  3. Trachea
  4. Larynx

Questions & Step-by-Step Solutions

What is the functional unit of the lung where gas exchange occurs? (2019)
  • Step 1: Understand that the lungs are important organs for breathing.
  • Step 2: Learn that the lungs contain many small structures called alveoli.
  • Step 3: Recognize that alveoli are tiny air sacs that look like small balloons.
  • Step 4: Know that gas exchange is the process where oxygen enters the blood and carbon dioxide leaves the blood.
  • Step 5: Remember that this gas exchange happens specifically in the alveoli.
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