Explanation:
Each kidney consists of an outer renal cortex, an inner renal medulla, and a renal pelvis.
<span>An organism of the Kingdom Protista could be organisms that are eukaryotic. Though they are such, some organisms that belong in this kingdom can't be classified as a plant, animal or fungus. Organisms like algae and kelp which belong in this kingdom are multicellular and they are able to provide for themselves food, shelter, and oxygen in underwater environments.</span>
Explanation:
C. Semi-Conservative
i believe this is the answer
It would be the respiratory system