1 The price of whale watching depends on several factors such as the location and the accommodations offered by the establishment. 2  Another factor is the date on which the tour will be done. On average, a trip can range anywhere from $20 to as much as $45 per person for a 4 hour trip. 2  For example, NewportWhales.com offers three levels of pricing which are categorized by adults, juniors and seniors.
The reninâangiotensin system (RAS) or the reninâangiotensinâaldosterone system (RAAS) is a hormone system that regulates blood pressure and fluid balance.ngiotensin II also stimulates the secretion of the hormone aldosterone from the adrenal cortex. Aldosterone causes the tubules of the kidneys to increase the reabsorption of sodium and water into the blood, while at the same time causing the excretion of potassium (to maintain electrochemical balance).
aldosterone. [alâ²dÅstÉrÅnâ², aldosâ²tÉrÅn]. a mineralocorticoid steroid hormone produced by the adrenal cortex with action in the renal tubule to retain sodium, conserve water by reabsorption, and increase urinary excretion of potassium.ldosterone. A hormone secreted by the adrenal glands that is important for maintaining salt and water balance in the body. Mentioned in: Congenital Adrenal Hyperplasia. hormone secreted by the adrenal glands, at a rate regulated by the level of sodium in body fluids.