How does the elimination of metabolic waste in the pig change after birth?

The elimination of metabolic waste in the pig is the same, as most mammals, but post-birth, it goes out from the ureter. The ureter is the duct by which urine passes from the kidney to the bladder or cloaca. For a fetal pig, as any other mammalian species, it goes through umbilical cord, and then the mother's vascular system moves it back into her bloodstream and then metabolized in the kidneys.

The correct answer is b