Term
What structure separated the lungs? What does it allow for? |
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Definition
The mediastinum. It allows the lungs to behave separately--one can collapse while the other does not. |
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Term
Which generations of the airways does gas exchange occur? |
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Definition
Gas exchange only takes place in the alveolar ducts and the alveolar sacs. |
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Term
What are anastomoses and when do they function? |
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Definition
Anastomoses are connections between bronchial and pulmonary capillaries. They function mainly during pathological conditions allowing blood flow to blocked areas of the lungs. |
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Term
What is the approximate distance oxygen has to travel to move from the air in the lungs to RBCs? How long does this take? |
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Definition
Approximately .2-.5 microns and it takes place almost instantaneously. |
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