Respiratory System Quiz

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What is the main purpose of the respiratory system?

To facilitate gas exchange (correct)

To regulate body temperature

To produce energy

To support digestion

What are the microscopic air sacs in the lungs called in mammals and reptiles?

Bronchi

Atria

Trachea

Alveoli (correct)

How do the air sacs in the lungs communicate with the external environment?

By active transport

Through direct diffusion

Via a system of airways (correct)

By osmosis

What is the largest hollow tube that connects the lungs to the external environment?

Trachea Signup and view all the answers

What determines the variation in the anatomy and physiology of the respiratory system?

Size of the organism, environment, and evolutionary history Signup and view all the answers

What is the term for the specific organs and structures used for gas exchange in animals and plants?

Respiratory system Signup and view all the answers

What are the microscopic air sacs called in birds for gas exchange?

Atria Signup and view all the answers

What is the largest hollow tube that connects the lungs to the external environment?

Trachea Signup and view all the answers

What is the term for the internalized respiratory surface in land animals?

Linings of the lungs Signup and view all the answers

What do the air sacs in the lungs have a very rich supply of, bringing the air into close contact with it?

Blood Signup and view all the answers

Respiratory System Quiz

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Questions and Answers

What is the main purpose of the respiratory system?

What are the microscopic air sacs in the lungs called in mammals and reptiles?

How do the air sacs in the lungs communicate with the external environment?

What is the largest hollow tube that connects the lungs to the external environment?

What determines the variation in the anatomy and physiology of the respiratory system?

What is the term for the specific organs and structures used for gas exchange in animals and plants?

What are the microscopic air sacs called in birds for gas exchange?

What is the largest hollow tube that connects the lungs to the external environment?

What is the term for the internalized respiratory surface in land animals?

What do the air sacs in the lungs have a very rich supply of, bringing the air into close contact with it?

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