15 Questions
What is the primary function of the respiratory system?
To provide oxygen for individual tissue cells
Which structure is responsible for the exchange of air in capillaries within the lungs?
Alveoli
What is the external opening of the nose called?
Nostrils
What separates the nasal cavities from the mouth cavity?
Palate bones and maxilla
What lines the mucous membrane within the nasal cavities?
Cilia
Which structure connects the ears to the sinuses and the eyes to the nasolacrimal ducts?
Eustachian tubes
Where is the nasopharynx located?
Behind the nose
What is the main function of the nose?
To trap dust, pollen, bacteria, and foreign matter
What is the correct term for the throat?
Pharynx
What is the main function of the pharynx?
To serve as a passageway for food
Which structure contains vocal cords that produce sound?
Larynx
What is the main function of the trachea?
To provide a passageway for air to and from the lungs
How many openings are there into the pharynx?
5
Which structure covers the entrance of the larynx while swallowing to avoid choking?
Epiglottis
Which structure contains C-shaped rings of cartilage to provide protection on the front and sides?
Trachea
Test your knowledge of the respiratory system's primary function and the processes of ventilating the lungs, external respiration, and internal respiration.
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