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Chapter 21 set 3
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ts structure is defined by the presence of alveoli
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repitory zone
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Respitory zone
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Terms in this set (26)
ts structure is defined by the presence of alveoli
repitory zone
this stucture begins as the terminal bronchioles lead respitory bronchioles which lead to alveolar ducts to terminals of alveoli sacs which is made up of alveoli
respitory zone
aprox. 300 million, accounts for most of the lungs volume
provides tremendous surface are for gas exchange
alveoli
respitory membrane
The membrane separating alveolar air and blood, composed of the alveolar wall, the capillary wall, and their basement membranes
this area of the respitory member permits gas exchange ( diffusion)
-secretes angiotensin converting enzyme to surfactant ( type II cells)
Alveolar wall