Angiotensin II binds to receptors in vascular smooth muscle
Angiotensin II causes vascular smooth muscle to constrict I picture Angie 2.0 squeezing to increase pressure
Angiotensin II causes release of aldosterone
Aldosterone produced by adrenal glands
Aldosterone increases reabsorption of sodium
Sodium attracts water and can increase pressure 
Aldosterone increases blood volume
Aldosterone increases blood pressure
Aldosterone increases excretion of potassium
*Angiotensin, calcium, potassium, sodium, diuretics, diuresis, aldosterone, renin