Image: Seals are consumers. An ecosystem is made up of animals, plants and bacteria as well as the physical and chemical environment they live in. The living parts of an ecosystem are called factors while the environmental factors that they interact with are called abiotic factors.
Atrial natriuretic peptide (ANP), also called atrial natriuretic factor (ANF), atrial natriuretic hormone (ANH), cardionatrine, cardiodilatin (CDD), or atriopeptin, is a powerful vasodilator, and a protein (polypeptide) hormone secreted by heart muscle cells.
Antidiuretic hormone (ADH) is released by the. hypothalamus. anterior pituitary. posterior pituitary. kidney. cerebellum. 3. ADH functions to. increase urine volume output and cause blood vessel dilation. increase urine volume output and cause blood vessel constriction.