Answer:
The renal pelvis and the calyces.
Explanation:
Kidney plays an important role in the excretion of the organisms. The kidney consists of millions of neurons that acts as the filtration unit and consists of coiled networks.
The renal pelvis is funnel like in shape that helps in the fluid elimination and helps in the direct connection with uterus. The three or more fibre structure condense at the renal pelvis to form the calyces. These structures helps in the transport of the filtered urine.
Thus, the correct answer is renal pelvis and the calyces.