Understand the anatomy of the kidney: The kidney is a vital organ with distinct regions that perform specific functions related to filtering blood and producing urine.
Identify the main regions of the kidney: The kidney is typically divided into three main regions - the cortex, the medulla, and the pelvis.
Differentiate between the options: Analyze each option to determine which correctly identifies the three main regions of the kidney.
Option analysis: The first option 'Cortex, medulla, and pelvis' correctly lists the three main regions of the kidney.
Conclude with the correct answer: Based on the anatomical structure of the kidney, the correct answer is 'Cortex, medulla, and pelvis'.