- Low glomerular filtration (GFR) --> JG cells release renin
Liver produces more Angiotensin Converting Enzyme
- Angiotensin I ---(ACE)--> Angiotensin II
Angiotensin II stimulates:
- Vasoconstriction of systemic arterioles (raises BP)
- Adrenal cortex: releases aldosterone -->
Na+ resorption; raises water volume;
raises BP
- Pituitary: releases ADH --> Na+ retention; water retention; thirst
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