Choices: (a). bowels. (b). ducts. (c). alveoli. (d). liquid. (e). solutes. (f). tubes. (g). arteries. (h). matter.
Q: Fact 1: Nephrons are the structural and functional units of the kidneys. Fact 2: Finally, the fluid in the nephron reaches a collecting duct . Given the two facts above, where do fluid in the kidneys collect?
A:
(b).