Where are intercalated cells found and what do they do? A. nephron loop; reabsorption of sodium B. distal convoluted tub

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Where are intercalated cells found and what do theydo?
A. nephron loop; reabsorption of sodium
B. distal convoluted tubule: secretion of hydrogen orbicarbonate ions
C. distal convoluted tubule: reabsorption of sodium
D. collecting duct: secretion of hydrogen or biocarbonateions
Where would blood from each vertebral artery first mix in thenormal circulatory pathway
A. superior sagittal sinus
B. basilar artery
C. jugular vein
D. anterior communicating artery