Q: You are presented with the quiz "the structural and functional units of the kidneys consist of vascular and tubular what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "nephrons are the structural and functional units of the kidneys" and "nephrons consist of vascular and tubular components". So, what's the best answer to the question?

Choose from: (a). Epidermis. (b). organ. (c). epidermal. (d). it needs them. (e). critical organs. (f). sensory neurons. (g). components. (h). Joules.
The answer is:
(g).