Arizona State University (ASU) BIO202 Human Anatomy and Physiology II Exam 1 Practice Exam

Blood itself does not produce hormones; rather, it acts as a transport medium for hormones that are produced by glands and tissues throughout the body. Hormones are biochemical messengers created by endocrine glands such as the thyroid, adrenal glands, and pancreas, and they are released into the bloodstream to regulate various physiological processes.

While blood can carry these hormones to their target organs or tissues, it does not synthesize them. Therefore, it is accurate to state that blood is not capable of producing hormones. Understanding the role that blood plays in the endocrine system is crucial, as it highlights the distinction between the production of hormones by specific organs and the transportation of these hormones via the circulatory system.