Which of the following is the part of kidney?

The correct option is A Pelvis
The seminiferous tubules are the site of the germination, maturation, and transportation of the sperm cells within the male testes. Ileum is the third portion of the small intestine, between the jejunum and the cecum. The cystic duct is the short duct that joins the gallbladder to the common bile duct. Renal pelvis, enlarged upper end of the ureter, the tube through which urine flows from the kidney to the urinary bladder. Thus, option A is correct.