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Questions and Answers
Which of the following is NOT a component of the lower respiratory tract?
Which of the following is NOT a component of the lower respiratory tract?
- Lungs
- Trachea
- Sinuses - Sinuses are part of the upper respiratory tract. (correct)
- Bronchi
Which of the following is the main respiratory muscle responsible for breathing?
Which of the following is the main respiratory muscle responsible for breathing?
- Bronchi
- Diaphragm (correct)
- Lungs - Lungs are the organs responsible for gas exchange
- Pharynx - The pharynx is a passageway for both food and air.
Which of the following is NOT a function of the nasal cavity?
Which of the following is NOT a function of the nasal cavity?
- Helping to move dust particles out of the nose
- Warming and humidifying the air
- Making the skull lighter - This is a function of the sinuses. (correct)
- Trapping dust particles
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