Endocrine System: The system of glands that produce body’s hormones and control many bodily functions such as growth, reproduction, and metabolism.
Hormone Secretion: The process by which hormones are released into bloodstream from endocrine glands.
Adrenal Gland: A pair of endocrine glands located above kidneys that produce hormones like adrenaline (which helps your body respond to stress) and cortisol.