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15 Cards in this Set
- Front
- Back
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respiratory system
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responsible for the exchange of carbon dioxide
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INTERNAL RESPIRATION
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Involves the exchange of O2 and CO2. CO2 leaves the body cells and enters blood in surrounding capillaries. O2 from blood passes into cells.
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EXTERNAL RESPIRATION
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Ventilation, the exchange of air between the lungs and atmosphere that occurs in breathing. Exchanging O2 in the lungs with CO2 in the pulminary capillaries.
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NASAL CAVITY
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divided into right and left sides of the nose
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septum
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divides the two sides of nasal cavity
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olfactory neurons
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receptors for the sense of smell; found amoung the epithelial cells lining the nasal tract and are covered with a layer of mucous
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nasopharynx
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posterior to the nose
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oropharynx
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posterior to the mouth
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laryngopharynx
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superior to the larynx
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adenoids
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collection of lymphatic tissue
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pharyngeal tonsils
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same as adenoids
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palatine tonsils
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commonly known as tonsils and are located in the oropharynx
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larynx
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voice box; found in the laryngopharynx and responsible for sound
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epiglottis
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leaf shaped; on top of larynx; seals off air passage to the lungs during swallowing
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trachea
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windpipe
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