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Which part of the respiratory system is responsible for gas exchange? (2020)

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Question: Which part of the respiratory system is responsible for gas exchange? (2020)

Options:

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

Correct Answer: Alveoli

Exam Year: 2020

Solution:

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

Which part of the respiratory system is responsible for gas exchange? (2020)

Practice Questions

Q1
Which part of the respiratory system is responsible for gas exchange? (2020)
  1. Bronchi
  2. Alveoli
  3. Trachea
  4. Larynx

Questions & Step-by-Step Solutions

Which part of the respiratory system is responsible for gas exchange? (2020)
  • Step 1: Understand that the respiratory system helps us breathe.
  • Step 2: Know that the lungs are a key part of the respiratory system.
  • Step 3: Learn that inside the lungs, there are tiny structures called alveoli.
  • Step 4: Recognize that alveoli are small air sacs where gas exchange happens.
  • Step 5: Remember that in the alveoli, oxygen from the air enters the blood, and carbon dioxide from the blood is released into the air.
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