: a condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness and the connective tissue becomes stiff
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What do they use surfactant for and why?
Infant respiratory distress syndrome. Reduces the surface tension in the alveoli (surface tension causes the alveoli surfaces to stick together
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15
What is residual volume?
air left after forceful expiration
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20
Name the 4 of the 6 factors that increase the efficiency of external respiration and one condition that compromises each.
surface area of alveoli, surface area of RBCs, thin respiratory membrane, residual capacity, controlled relationship ventilation/blood flow, narrow cappilaries
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What are p, q, r and s?
p. e-, q. 32 ATP, r. 2 H+, s. H2O
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heart
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15
What is External respiration?
The process of O2 and CO2 exchange between the alveoli and the blood
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What is ventilation?
: The process of getting air into the lungs and back out
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Fill in the image
Glycolosis: 2 ATP, Oxidation of Pyruvate: 2 CO2, Krebs Cyscle: 4 CO2 and 2 ATP, Electron transport chain: 6 H2O, 32 ATP
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25
If the air we breath has a partial pressure of N2 of 562mmHg, a partial pressure of oxygen of 152mmHgand a partial pressure of CO2 of 0.3mmHg. What does that say about the relative amounts of oxygen and nitrogen and carbon dioxide?
There is almost 4 times as much nitrogen in the air than oxygen, and 500 time more oxygen than carbon dioxide.
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15
Where does Glycolysis take place?
In the cytosol, which is the fluid part of the cytoplasm.
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What is the Plural cavity?
the space between the visceral pleura on the lungs and the parietal pleura on the inner chest wall.
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What is compliance?
the ease with which the lungs inflate
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What does it mean to aspirate something?
breathe (something) in; inhale. To take in by suction.