Describe the physiology of blood pressure control

Describe the physiology of blood pressure control. Causes of Primary Hypertension may include overactivity of the SNS; overactivity of the RAAS; alterations in other neurohumoral mediators of blood volume and vasomotor tones such as ANP, BNP, and adrenomedullin; inflammation; a complex interaction involving insulin resistance and endothelial function; and obesity-related hormonal changes

Select 3 of the above potential causes and explain the pathophysiologic mechanisms of primary hypertension