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Questions and Answers
Where does gas exchange occur in the lungs of mammals and reptiles?
Where does gas exchange occur in the lungs of mammals and reptiles?
- Trachea
- Bronchioles
- Alveoli (correct)
- Atria
What are the microscopic air sacs called in birds where gas exchange occurs?
What are the microscopic air sacs called in birds where gas exchange occurs?
- Atria (correct)
- Parabronchi
- Alveoli
- Bronchioles
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?
- Bronchioles
- Alveoli
- Trachea (correct)
- Atria
What is the process that pumps air from the environment into the alveoli or atria?
What is the process that pumps air from the environment into the alveoli or atria?
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What do the bronchioles generally open into in mammals and atria in birds?
What do the bronchioles generally open into in mammals and atria in birds?
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Study Notes
Respiratory System in Different Animals
- In mammals and reptiles, gas exchange occurs in the lungs, specifically in the alveoli.
Respiratory System in Birds
- In birds, gas exchange occurs in microscopic air sacs called atria.
Respiratory Tract
- The largest airway that communicates with the external environment in land animals is the trachea.
Breathing Process
- The process that pumps air from the environment into the alveoli or atria is called respiration.
Bronchioles and Atria
- In mammals, bronchioles generally open into alveoli.
- In birds, bronchioles open into atria.
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