The pituitary gland is a single endocrine gland responsible for producing and regulating many hormones that control various bodily functions, including growth, metabolism, and reproduction. Other unpaired endocrine glands include the pineal gland, hypothalamus (neuroendocrine function), and pancreas (has endocrine and exocrine functions). Paired endocrine glands include the adrenal glands, testes (in males), and ovaries (in females).