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Questions and Answers
Which part of the respiratory system is responsible for the exchange of oxygen and carbon dioxide in the blood?
Which part of the respiratory system is responsible for the exchange of oxygen and carbon dioxide in the blood?
- Bronchi
- Trachea
- Alveoli (correct)
- Diaphragm
What is the function of the epiglottis in the respiratory system?
What is the function of the epiglottis in the respiratory system?
- Producing mucus to moisten the air
- Preventing food from entering the trachea (correct)
- Assisting in vocal cord vibration
- Regulating the size of the airway
Which of the following is a function of the cilia in the respiratory system?
Which of the following is a function of the cilia in the respiratory system?
- Contracting and relaxing to control air flow
- Producing surfactant to reduce surface tension in the alveoli
- Filtering out dust and debris from the inhaled air (correct)
- Secreting mucus to trap pathogens
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