Endocrine System: Hormones, Glands, and Disorders Exam Questions and answers

Endocrine System: Hormones, Glands, and Disorders Exam Questions and answers What is the definition of a hormone? Hormones are chemical messengers that travel in the bloodstream to stimulate physiological responses in other tissues and organs. What does the endocrine system consist of? The endocrine system consists of glands, tissues, and cells that secrete hormones. What is endocrinology? Endocrinology is the study of the endocrine system and the diagnosis and treatment of its disorders. Name three organs of the endocrine system. Pituitary gland, thyroid gland, adrenal glands. What is the main difference between endocrine and exocrine glands? Endocrine glands have no ducts and secrete hormones directly into the bloodstream, while exocrine glands have ducts and secrete nonhormonal substances to an epithelial surface. What are some examples of exocrine functions? Exocrine functions include the production of sweat and saliva. How do endocrine glands differ in their secretion? Endocrine glands produce internal secretions (hormones) that have intracellular effects, w