* The constriction of the efferent arterioles also reduces hydrostatic pressure in the [[The Formation of the Filtrate by the Glomerular Apparatus- Anatomy & Physiology#Pressure in the Peritubular Capillaries|peritubular capillaries]] this increases reabsorption of water and salt thus helping to restore the ECF and thus helps to normalise blood pressure. | * The constriction of the efferent arterioles also reduces hydrostatic pressure in the [[The Formation of the Filtrate by the Glomerular Apparatus- Anatomy & Physiology#Pressure in the Peritubular Capillaries|peritubular capillaries]] this increases reabsorption of water and salt thus helping to restore the ECF and thus helps to normalise blood pressure. |