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Anastasy [175]
3 years ago
15

what is the relationship between peripheral resistance and blood pressure ? between blood viscosity and blood pressure

Biology
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

Peripheral vascular resistance (systemic vascular resistance, SVR) is the resistance in the circulatory system that is used to create blood pressure, the flow of blood and is also a component of cardiac function. When blood vessels constrict (vasoconstriction) this leads to an increase in SVR.

The relationship between BP and viscosity is such that, given a constant systolic BP, if blood viscosity increases, then the total peripheral resistance (TPR) will necessarily increase, thereby reducing blood flow. Conversely, when viscosity decreases, blood flow and perfusion will increase.

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