Respiratory System Organs and Functions

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10 Questions

Where does gas exchange between the blood and external environment occur?

Alveoli

What is the function of the sinuses within the bones surrounding the nasal cavity?

Lighten the skull and act as resonance chambers

What separates the nasal cavity from the oral cavity?

Palate

Which region is not part of the three regions of the pharynx?

Larynx

What is the function of the epiglottis?

Route food to the esophagus when swallowing

What keeps the trachea patent (open) to allow airflow?

Hyaline cartilage rings

Which bronchus is wider, shorter, and straighter than the other?

Right bronchus

Where does the apex of each lung lie?

Clavicle

What are the lateral wall projections in the nasal cavity called?

Conchae

What is the function of tonsils in the pharynx?

Lymphatic tissue that aids immune response

Learn about the organs of the respiratory system such as the nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli). Understand how gas exchange occurs in the alveoli, the function of passageways to the lungs, and the structure of the nasal cavity. Test your knowledge on the respiratory system!

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