Question

1. the kidneys regulate which of the following? storage of urine formation of urine elimination of urine secretion of urine

Explanation:

The kidneys filter blood to form urine. Storage of urine is done by the bladder. Elimination of urine involves the urethra. Secretion is not the main regulatory function here. Formation of urine (through filtration, re - absorption, and secretion processes in the kidneys) is the key regulatory function related to urine.

Answer:

Formation of urine