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.
Adrenocorticotropic hormone (ACTH) triggers the release of _____ in response to stress. - In response to stress, ACTH stimulates the adrenal cortex to secrete glucocorticoids. _____ are the main male hormones. Androgens, such as testosterone, are the main male hormones.