★ Breathing System Quiz
What is the function of the trachea?
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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Pulmonology › ViewAnother name for the throat is called the:
A. Nasopharynx
B. Pharynx
C. Larynx
Lung & Breathing › View
How many breaths does the average human take in a day?
A. 6,000
B. 12,000
C. 23,000
D. 46,000