The endocrine system maintains homeostasis through glands like the hypothalamus, pituitary, thyroid, parathyroid, adrenals, pineal and pancreas. These glands secrete hormones which regulate bodily processes. Suffixes like -crine and -emia provide information about endocrine functions. The document defines and gives examples of apocrine glands, eccrine glands and various types of anemia including iron deficiency, sickle cell, thalassemia and aplastic anemia.