Regulating Peripheral Resistance - Part 2

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This is the follow-up to part 2, where I talk about two other ways Peripheral Resistance is regulated - Looking at Blood Viscosity and Total Blood Vessel length.

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Video Chapters:
00:00 Intro
00:24 Review: MAP = CO x PR Formula and how changes in PR affects MAP
00:55 Review: Vasoconstriction and Vasodilation Effects on Peripheral Resistance
01:20 Blood Viscosity and how it affects Mean Arterial Pressure
02:27 What is Blood Viscosity: Ratio of RBCs to Plasma
03:03 Effects of changes in Blood Viscosity
03:35 Examples of Increased Blood Viscosity: Dehydration
04:03 Examples of Decreased Blood Viscosity: Anemia, Hemorrhage
04:44 Effect of Total Blood Vessel Length on Peripheral Resistance
05:56 How Gaining Weight Affects Peripheral Resistance
07:23 Review: How Changes in Peripheral Resistance Affects Mean Arterial Pressure .

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