Question

question 8 (2 points) listen the kidneys receive more blood than expected for their size because they happen to lie very close to the heart they are supplied by four different arteries their blood supply is not regulated they are very metabolically active their primary job is to cleanse the blood plasma of wastes

Explanation:

The kidneys' main function is to filter blood plasma and remove waste products. This high - demand task requires a large amount of blood flow to ensure efficient cleansing. Proximity to the heart does not directly explain high blood supply. Having four arteries is not the main reason for high blood flow relative to size. Blood supply to kidneys is regulated. While they are metabolically active, the key driver for high blood flow is their waste - cleansing function.

Answer:

Their primary job is to cleanse the blood plasma of wastes