Which part of the respiratory system is responsible for the exchange of gases? (

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

Options:

Correct Answer: Alveoli

Exam Year: 2020

Solution:

The 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 the exchange of gases? (2020)

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

Step 1: Understand that the respiratory system is responsible for breathing.
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 oxygen from the air enters the blood in the alveoli, and carbon dioxide from the blood is released into the alveoli to be exhaled.

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