Medical Quiz

Topics: Breathing System Quiz

What is the function of the bronchioles?

A. To carry air to and from the lungs

B. To warm and moisten the air

C. To trap dirt particles and bacteria

D. To exchange gases in the alveoli

Select your answer:
     


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What is the percentage of nitrogen in inhaled air?

A. 78%

B. 21%

C. 0.04%

D. Variable