EVERYDAY SCIENCE

Detailed explanation-1: -A hormone that helps blood vessels constrict and helps the kidneys control the amount of water and salt in the body. This helps control blood pressure and the amount of urine that is made.

Detailed explanation-2: -Vasopressin is also capable of causing vasoconstriction and increasing blood pressure. This action is mediated by vascular V1-receptors, which, unlike the renal receptors, are coupled to phospholipase C and increased intracellular Ca2+ concentration.

Detailed explanation-3: -Vasopressin is known to regulate blood pressure, blood osmolality, and blood volume. The effects of V1a and V2 receptors can be amplified when vasopressin is secreted in excessive amounts, and this condition may be experienced by patients undergoing a disease or stress.

Detailed explanation-4: -Adrenal glands: If the adrenal glands make too much aldosterone, cortisol, or hormones similar to adrenaline, it can cause high blood pressure.