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Questions and Answers
Where does gas exchange occur in the lungs of land animals?
Where does gas exchange occur in the lungs of land animals?
- In millions of small air sacs (correct)
- In the trachea
- In the alveoli
- In the bronchi
What is the largest airway that communicates with the external environment?
What is the largest airway that communicates with the external environment?
- Atria
- Alveoli
- Bronchi
- Trachea (correct)
What is the function of the microscopic air sacs in the lungs?
What is the function of the microscopic air sacs in the lungs?
- Regulating air pressure in the lungs
- Producing mucus for lung protection
- Bringing the air into close contact with the blood (correct)
- Storing excess air for emergencies
What determines the variation in the anatomy and physiology of the respiratory system?
What determines the variation in the anatomy and physiology of the respiratory system?
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What are the air sacs called in birds for gas exchange?
What are the air sacs called in birds for gas exchange?
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