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Questions and Answers
What is the thickness of the walls of the alveoli?
What is the thickness of the walls of the alveoli?
- One cell thick (correct)
- Three cells thick
- Four cells thick
- Two cells thick
Where does the exchange of gases take place in the respiratory system?
Where does the exchange of gases take place in the respiratory system?
- Bronchi
- Trachea
- Larynx
- Alveoli (correct)
What is the approximate surface area of the respiratory surface?
What is the approximate surface area of the respiratory surface?
- 50 square meters
- 80 square meters
- 70 square meters (correct)
- 60 square meters
What surrounds the alveoli to facilitate gas exchange?
What surrounds the alveoli to facilitate gas exchange?
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Through which part of the respiratory system does air from the atmosphere reach the alveoli?
Through which part of the respiratory system does air from the atmosphere reach the alveoli?
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Study Notes
Breathing
- Air from the atmosphere passes through the conducting airway and reaches the alveoli
- Alveoli walls are only one cell thick, forming the respiratory surface
- The respiratory surface covers an area of approximately 70 square meters
- The respiratory surface is where the exchange of gases takes place
- Microscopic capillaries surround the alveoli
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Description
Learn about the process of breathing and how air moves through the conducting airway to the alveoli, where gas exchange takes place.
