Podcast
Questions and Answers
Which of the following structures is responsible for directing air into the lungs?
Which of the following structures is responsible for directing air into the lungs?
- Bronchioles
- Pharynx
- Bronchi
- Trachea (correct)
What is the primary function of the alveolar ducts?
What is the primary function of the alveolar ducts?
- To divide into alveolar sacs and eventually into alveoli (correct)
- To filter out dust and bacteria from the inhaled air
- To transport oxygen from the lungs to the heart
- To sense the partial pressure of oxygen in the air
What is the name of the sac where gas exchange takes place in the lungs?
What is the name of the sac where gas exchange takes place in the lungs?
- Pulmonary capillaries
- Alveolar sac (correct)
- Thoracic cavity
- Respiratory bronchioles
What is the pathway of air inhaled through the mouth or nose?
What is the pathway of air inhaled through the mouth or nose?
What is the term for the smallest airways in the lungs?
What is the term for the smallest airways in the lungs?
What is the function of the pulmonary capillaries in the lungs?
What is the function of the pulmonary capillaries in the lungs?
What is the point at which oxygen molecules move through a single layer of lung cells?
What is the point at which oxygen molecules move through a single layer of lung cells?
What is the structure that connects the trachea to the lungs?
What is the structure that connects the trachea to the lungs?
What is the function of the pharynx in the respiratory system?
What is the function of the pharynx in the respiratory system?
What is the name of the tube that connects the throat to the lungs?
What is the name of the tube that connects the throat to the lungs?
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