Ключевые слова: adrenal, adrenaline, anatomy, body, brain, cortisol, diagram, endocrine, endocrinology, estrogen, female, gland, heart, homeostasis, hormonal, hormone, human, hypothalamus, illustration, infographic, insulin, internal, intestine, kidney, leptin, male, man, melatonin, organ, ovaries, ovary, pancreas, parathyroid, people, pineal, pituitary, progesterone, pth, reproductive, secretion, system, testes, testicle, testis, testosterone, thymus, thyroid, tissue, woman,