The Trachea Is a Major Structure in the Respiratory System

question 113

Multiple Choice

The trachea is a major structure in the respiratory system. What is it's function?

• A) Filters and moistens air entering the body
• B) Connects the larynx to the bronchi as a flow system of incoming air
• C) Small sacs that promote gas exchange with the blood in the pulmonary capillaries
• D) Connects the nasal cavities to the larynx

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