Final answer:
All the options listed, including the kidneys, ureters, urinary bladder, and urethra, are components of the urinary tract. There is no correct answer given, as all options are indeed part of the urinary system.
Step-by-step explanation:
The urinary tract is a system in the human body responsible for the removal of urine. It consists of several key components: the kidneys, which filter waste from the blood to form urine; the ureters, tube-like structures that transport urine from the kidneys to the urinary bladder, a hollow muscular organ that stores urine; and finally, the urethra, a tube through which urine exits the body during urination.
Regarding the question 'Which of the following is NOT a component of the urinary tract?', the answer is that all of the listed options - a) urethra, b) urinary bladder, c) kidneys, and d) ureters - are indeed components of the urinary system. None of the choices listed is incorrect as they all play a role in the urinary system's function. Therefore, if these are the only options given, there is no correct answer among them as each is a part of the urinary tract.