Question

multiple choice question
collecting tubules and collecting ducts project through the ———— toward the ————.
o renal medulla; renal papilla
o renal medulla; renal cortex
o renal papilla; renal medulla

Explanation:

Collecting tubules and collecting ducts project through the renal medulla toward the renal papilla. The renal medulla is the inner part of the kidney, and the renal papilla is the tip of the renal pyramid. The collecting tubules and ducts carry urine from the nephrons (in the cortex and medulla) towards the renal papilla, from where urine drains into the minor calyces.

Answer:

renal medulla; renal papilla