Question

which of the following is/are true? a once urine forms, it flows through a system of collecting ducts. b collecting ducts form minor then major calyces. c the collection of urine accumulates in the renal pelvis. d all of the above

Explanation:

In the urinary - system, once urine is formed in the nephrons, it flows through a system of collecting ducts. The collecting ducts merge to form minor calyces, and then the minor calyces merge to form major calyces. The urine then accumulates in the renal pelvis before being transported to the ureter.

Answer:

D. all of the above