Term
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Definition
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Term
| oxygen and carbon dioxide move between air and blood via |
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Definition
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Term
| ficke's law of diffusion states |
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Definition
| movement amount proportional to area inverse to thickness |
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Term
| how does the lung get prodigious surface area for diffusion inside thoracic cavity? |
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Definition
| wrapping small blood vessels around a ton of small alveoli |
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Term
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Definition
| bronchi to bronchioles to terminal bronchioles to respiratory bronchioles to alveolar ducts and alveolar sacs |
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Term
| everything distal tot he terminal bronchiole forms the |
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Definition
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Term
| during inspirationt he volume of the thoracic cavity |
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Definition
increases
diaphragm descends
ribs are raised increasing cross sectional area of the thorax |
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Term
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Definition
| pressure pulls it down to the terminal bronchioles and then diffusion takes over as the overriding mechanism |
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Term
| inhaled dust frequently settles in |
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Definition
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Term
| THe lung is elastic and easy |
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Definition
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Term
| The volume of the anatomic dead space is____. The volume of hte alveolar region is ______. |
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Definition
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Term
| THe diameter of a capillart is 7 to 10 microns |
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Definition
| enough for a red blood cell |
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Term
| arteries veins and bronchi run close initially but toward periphery |
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Definition
| veins diverge to run between lobules. |
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Term
| nearly a sheet of ____ forms around the alveoli |
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Definition
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Term
| explain how capillaries in lung can get damaged |
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Definition
increase pressure or volume of the lungs and this can squeeze capillaries
they can then release plasmaand rbcs into the alveolar space. |
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Term
| the pulmonary artery recieves the output of the |
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Definition
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Term
| THe lung has an adiitional circulation, the ______ circulation |
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Definition
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Term
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Definition
extremely thing over muc of tis area
enormous surface area of 50 to 100 m squared
large area obtained by having about 500 million alveoli
can obtain damage to barrier |
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Term
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Definition
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Term
| blood spends about ___ seconds in the capillary |
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Definition
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Term
| thickness of the blood gas barrier |
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Definition
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Term
| alveolar lining has a high ____ tension |
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Definition
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Term
| lung is the largest surfeace of the body to |
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Definition
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Term
| large particles are filtered at the |
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Definition
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Term
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Definition
get stopped at the cpmducting airways mucociliary escalator
epiglottis
swallow |
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Term
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Definition
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