Rock the Red Seal Cosmetology Exam 2026 – Style Your Future with Confidence!

The endocrine system is made up of glands that secrete hormones directly into the bloodstream. These hormones then travel to different parts of the body and affect various physiological processes such as growth, development, sexual functions, and overall health. Option A is incorrect as the circulatory system deals with the transport of blood and nutrients throughout the body. Option B is incorrect as temperature regulation is mainly controlled by the nervous system and is not a direct effect of the endocrine system. Option D is incorrect as the protective coverings of the body, such as skin and hair, are primarily controlled by the integumentary system.