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Where was the main pressure drop,
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the main source of resistance?
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Which one of those elements had the largest resistance,
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do you remember?
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Somebody--Brian did you--
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Capillaries have a sizeable resistance but not the most
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and it is important because it's the place where--
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remember size is regulated so that
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you can adjust flow rates most sensitively here;
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in the arterioles or the small arteries.
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It turns out that the glomerular capillaries or the capillaries
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of these tufts sit in the unique position