Concept:The part of the kidney that holds urine before it passes onward is the renal pelvis.
Explanation:Urine formed in the kidney is drained into the renal pelvis.
The renal pelvis is a funnel-shaped cavity inside the kidney.
From here, urine moves into the ureter and then to the urinary bladder.
The bladder stores urine but is not a part of the kidney itself.
The capsule is only the outer protective covering.
The medulla contains the pyramids and tubules, not urine storage.
Thus, the kidney part that stores urine is the pelvis.
Answer:C. pelvis