Front | Back |
Nasal septum |
Cartilaginous structure that separates the nasal cavity into right and left sides
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Turbinates |
Scroll-like bones that protrude into the nasal cavity
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Sinuses |
Cavities in the skull, ducts connect them to the nasal cavity, lined with mucous membranes to warm and moisten the air
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Nasopharynx |
Upper part of the throat behind the nose
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Oropharynx |
The part of the throat that is the back of the mouth
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Laryngopharynx |
Connects the mouth and nasal cavities where food and air pass
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Trachea |
Windpipe; c-shaped rings of hyaline cartilage to keep it open
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Lungs |
Right is larger and has 3 lobes; left is displaced by the heart and has only 2 lobes
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Apex |
Upper part of lung
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Base |
Lower part of lung
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Pleura |
Thin, moist slippery membrane that covers lungs; double walled sac; filled with pleural fluid to prevent friction
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Mediastinum |
Situated between the lungs along the median plane of the thorax
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Larynx |
Musculocartilaginous structure at the top of the trachea and below the root of the tongue that houses the vocal cords; Adam's Apple
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Oxygen |
A colorless, odorless, tasteless gas essential to respiration used by all cells of the body
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Alveoli |
Air exchange occurs here; surfactant covers the inner surfaces to keep them from collapsing
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