Final answer:
The kidneys are located in the Right Lumbar and Left Lumbar regions of the abdominopelvic area, at the vertebral level T12 to L3, with the right kidney being slightly lower than the left.
Step-by-step explanation:
The kidneys are essential organs located in the posterior part of the abdomen. They play a vital role in functions such as filtering blood, removing waste through urine, and maintaining electrolyte balance. Regarding their position in the abdominopelvic regions, the kidneys are found primarily in the Right Lumbar and Left Lumbar regions since they are at the vertebral level T12 to L3. The right kidney is slightly lower than the left due to the presence of the liver above it. This asymmetrical positioning is a critical factor in determining their locations within these specific abdominopelvic regions.