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Questions and Answers
What is the main organ for gas exchange in land animals?
What is the main organ for gas exchange in land animals?
- Stomach
- Lungs (correct)
- Kidneys
- Liver
What are the microscopic air sacs in the lungs called in mammals and reptiles?
What are the microscopic air sacs in the lungs called in mammals and reptiles?
- Atria
- Trachea
- Bronchi
- Alveoli (correct)
What is the largest airway that communicates with the external environment?
What is the largest airway that communicates with the external environment?
- Atria
- Bronchioles
- Trachea (correct)
- Alveoli
In birds, what are the microscopic air sacs in the lungs known as?
In birds, what are the microscopic air sacs in the lungs known as?
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What is the biological system consisting of specific organs and structures used for gas exchange called?
What is the biological system consisting of specific organs and structures used for gas exchange called?
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