Final answer:
The endocrine system is a group of specialized glands that affect the growth, development, sexual activity, and health of the entire body.
Step-by-step explanation:
The endocrine system is a group of specialized glands that affect the growth, development, sexual activity, and health of the entire body. It is made up of glands that secrete hormones into the blood, which carry the hormones throughout the body. Some of the glands in the endocrine system include the pituitary gland, pancreas, thyroid gland, and adrenal glands.