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Questions and Answers
What is the largest airway that communicates with the external environment in land animals?
What is the largest airway that communicates with the external environment in land animals?
- Bronchi
- Parabronchi
- Bronchioles
- Trachea (correct)
Where does gas exchange occur in the lungs of mammals and reptiles?
Where does gas exchange occur in the lungs of mammals and reptiles?
- Alveoli (correct)
- Bronchioles
- Trachea
- Atria
What brings the air into close contact with the blood in the respiratory system?
What brings the air into close contact with the blood in the respiratory system?
- Bronchioles with narrow tubes
- Microscopic air sacs with rich blood supply (correct)
- Trachea with branching bronchi
- Alveoli with a large surface area
What are the microscopic air sacs called in birds that open into the atria for gas exchange?
What are the microscopic air sacs called in birds that open into the atria for gas exchange?
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Which part of the respiratory system is responsible for pumping air from the environment into the alveoli or atria?
Which part of the respiratory system is responsible for pumping air from the environment into the alveoli or atria?
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