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Questions and Answers
Which structure in the respiratory system is responsible for gas exchange?
Which structure in the respiratory system is responsible for gas exchange?
- Trachea
- Bronchi
- 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?
- Regulating the flow of air into the lungs
- Producing mucus to moisten the air
- Expanding and contracting to facilitate breathing
- Preventing food from entering the trachea (correct)
Which muscle is primarily responsible for the expansion of the chest cavity during inhalation?
Which muscle is primarily responsible for the expansion of the chest cavity during inhalation?
- Serratus anterior
- Rectus abdominis
- Diaphragm (correct)
- Pectoralis major
