anatomy quiz | respiratory system
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Last updated 12:09 AM on 4/6/23
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11 Terms
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nose
air in the nostrils
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nasal cavity
hollow cavity divided by nasal septum and mucus membranes
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paranasal sinuses
air filled spaces in skull
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pharynx
part of the throat behind the mouth and nasal cavity
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larynx
muscles cartilage form vocal cords
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trachea
airway that leads from the larynx to the bronchi
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bronchial tree
branched airways from trachea to air sacs
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lungs
spongy air-filled organs covered by pleura
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inspiration
(inhalation) diaphragm contracts downward and air flows in
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expiration
(exhalation) diaphragm relaxes and air is forced out
→ Controlled by Nervous system
→ Controlled by Nervous system
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Alveoli
air sacs at the ends where gas exchange happens
→ Simple squamous epithelium in contact with thin walled capillaries
→ O2 & CO2 pass by simple diffusion
→ Simple squamous epithelium in contact with thin walled capillaries
→ O2 & CO2 pass by simple diffusion
Note 
Flashcards (24)