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Questions and Answers
What are the microscopic air sacs in mammals and reptiles called?
What are the microscopic air sacs in mammals and reptiles called?
Alveoli
What are the respiratory surfaces in land animals internalized as?
What are the respiratory surfaces in land animals internalized as?
Linings of the lungs
What are the microscopic air sacs in birds known as?
What are the microscopic air sacs in birds known as?
Atria
What is the largest hollow tube that communicates with the external environment?
What is the largest hollow tube that communicates with the external environment?
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What is the name of the system of airways that communicate with the external environment?
What is the name of the system of airways that communicate with the external environment?
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Study Notes
Respiratory System
- In mammals and reptiles, microscopic air sacs are called alveoli.
- In land animals, respiratory surfaces are internalized as lungs.
- In birds, microscopic air sacs are known as air capillaries.
- The largest hollow tube that communicates with the external environment is the trachea.
- The system of airways that communicates with the external environment is the respiratory tract.
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