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5 Cards in this Set
- Front
- Back
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What is the physiologic definition of respiration?
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Transport of oxygen from the outside to the tissues; and transport of carbon dioxide opposite.
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What movements expand the chest during inspiration?
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Diaphram depresses, ribs abduct and move out, sternum moves up.
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How does cross sectional area change as you move down the respiratory tree? How does velocity?
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With increased branching, cross sectional area increases and velocity decreases.
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What are the primary muscles of inspiration? What are the secondary?
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Primary- diaphragm, external intercostals.
Secondary- scalenes, sternocleidomastoid, neck and back, upper respiratory tract. |
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What are the primary muscles of expiration? What are the secondary?
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Primary- diaphragm, internal intercostals.
Secondary- abdominals, neck and back |
