Answer:
Option D, It is part of the urinary system
Explanation:
Nerves are part of nervous system and not urinary system. A nervous system has two main parts: a) CNS ( central nervous system )– made up of brain and spinal cord
b) PNS (peripheral nervous system ) – It comprises of nerves arising from the spinal cord and then reaching all body parts
A urinary system comprises of kidneys, ureters, bladder, and the urethra
Hence, option D is correct