9
AssignmentMultiple Choice

Anatomy of the Lower Respiratory System

Question 9 • Anatomy & Physiology B

What is the function of the bronchioles?

Answer
A
to move oxygen into the blood
B
to carry air deep into the lungs
C
to protect the lungs and attach them to the ribcage
D
to serve as a passageway for air between the upper and lower respiratory systems

Explanation

Bronchioles are small branching air passages inside the lungs. They carry air deeper through the lungs toward the alveoli, where oxygen moves into the blood. Therefore, the correct choice is “to carry air deep into the lungs.”

AI-written and checked against the verified answer.

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