In mammals, the organ directly on top of the kidney is the
Answer Details
In mammals, the organ directly on top of the kidney is the adrenal gland. The adrenal gland is a small, triangular-shaped gland that is located on top of each kidney. It is an important endocrine gland that produces hormones such as adrenaline, cortisol, and aldosterone, which play important roles in regulating the body's response to stress, maintaining blood pressure, and controlling the balance of salt and water in the body.