What factor drives filtration in the glomerulus?

A decline in blood pressure causes juxtaglomerular cells to secrete

Match each renal structure with its location or function.
a.renal cortex
f.ureter
b.renal medulla
g.major calyx
c.renal pyramids
h.minor calyx
d.renal columns
i.hilum
e.renal pelvis
-Cone-shaped sections in the kidney's interior