Unformatted text preview: wave passes through ) walls experience higher P ) walls weaken Blood Yolume Excessive salt intake ) water retention ) blood volume increases ) more fluid presses against the walls ) walls experience greater P (compensatory mechanisms return this situation to normal) Excessive sweating ) blood volume decreases ) P against the walls decreases (but only short term because there are homeostatic mechanisms to compensate) Cardiac Output If CO decreases ) P decreases because less P on walls If CO increases F P increases because more P on walls Anything which affects HR or SV will affect the CO (recall: CO : HR x SV). and the CO in turn, affects the BF g7...
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- Spring '11
- increases, Viscosity increases, total vessel length, vessel length increases