Final answer:
In addition to antidiuretic hormone (ADH) and aldosterone, Atrial Natriuretic Hormone (ANH) also plays a role in maintaining water homeostasis by regulating the excretion of water through its effects on sodium ion reabsorption by the kidneys.
Step-by-step explanation:
Besides antidiuretic hormone (ADH) and the previously mentioned aldosterone, another key hormone involved in the regulation of water homeostasis is Atrial Natriuretic Hormone (ANH). ANH opposes the action of ADH and aldosterone by reducing the reabsorption of sodium ions by the kidneys, which in turn increases the excretion of water. This helps to decrease blood volume and blood pressure when they are higher than normal.
ADH, also known as vasopressin, plays a critical role in water balance by making the kidney's collecting ducts more permeable to water, thus allowing more water to be reabsorbed from the urine into the bloodstream. This process is crucial when the body is dehydrated or experiencing physiological stress. ADH, aldosterone, and ANH work together to maintain a delicate balance of body water, sodium, and potassium, ensuring that proper blood volume and blood pressure are preserved.