Vascular Shuntinig

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  • Vascular Shunting
    • Exercise
      • Increase in CO2
        • Increase in Acidity
        • Descrease in Ph
      • Detected by Chemoreceptors
      • Message to Medulla
        • Vasomotor Control Centre
          • Sympathetic Nervous system
            • Blood Shunting
              • Non Essential organs
                • Pre capillary sphincters contract
                  • Vasoconstriction
                    • Reduced Blood Flow
              • Skeletal Muscles
                • Pre capillary sphincter relax
                  • Vasodilation
                    • Increased bood flow
                      • Supply O2 & remove CO2
              • Skin
                • Pre capillary sphincter relax
                  • Vasodilation
                    • Increased blood flow
                      • Warms the skin-Radiation
                        • Sweat-Evaporation
              • Heart
                • Pre capillary sphincters relax
                  • vasodilation
                    • increased blood flow
                      • Coronary arteries- more blood
                        • heart can beat faster
              • Brain
                • Same blood flow
    • Blood redistribution
  • Increase in Acidity

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