Answer: Ureter
Explanation:
Ureter can be defined as the structure which is a part of excretory system of the body. They are made of smooth muscle fiber that functions by propelling the urine from the kidney to the urinary bladder.
It is usually 25-30 cm long and 3-4mm wider in the dimensions.It is lined by the urothelium which is a type of transitional epithelium and an extra layer of smooth muscle that favors the peristalsis.
The correct answer is option B
