dopamine, phenylethylamine, serotonin, cortisol, noradrenaline, oxytocin, catecholamine, neurotransmitters, norepinephrine, adrenalin, acetylcholine, parasympathetic nervous system, adenosine, testosterone, adrenaline, corticosterone, beta endorphin, arousal, lactic acid, orgasmic, lactate, thermogenesis, hormone, histamine, neurochemical, sexual arousal, glutamine, adrenocorticotropic hormone, prolactin, vasopressin, gamma aminobutyric acid, glutamate, hormonal, osmotic pressure, nitric oxide, nicotine, ghrelin, relaxant, monoamine, caffeine, detoxifies, potentiation, phasic, depressant, luteinizing hormone, stimulant, estrogen, pheromones, vasoconstriction, physiological, thermogenic, adrenergic, glucocorticoid, homeostatic, alkaloid, excitatory, adrenal cortex, cholecystokinin, somatosensory, tryptophan, euphoric, phosphocreatine, metabolism, adrenal, ketones, peristalsis, parasympathetic, vasodilation, scopolamine, stimulation, melatonin, sebum, pyruvate, citrulline, exothermic, gonadotrophin, inhibitory, thyroid hormone, tyrosine, locomotor, leucine, anabolism, lactic, salvinorin, prostaglandins, lipolysis, aversive, anorectic, oestradiol, emotional arousal, vasodilator, vasoconstrictor, neurotransmission, ketosis, progesterone, acth, androgenic, npy, luciferin, oxidative phosphorylation, catabolism, antidiuretic hormone, msh, globin, carotene, tubulin, galactosidase, thalassemia, globulins, hcg, adrenoceptors, tocopherol, endorphins, glucosidase, subunit, catenin, crystallin, estradiol, gaba, glucosides, glucuronidase, natriuretic, vasoactive, releasing, enkephalin, antidiuretic, globulin, corticosteroid, parathyroid, aminobutyric, amylase, ascorbic, hydroxytryptamine

beta endorphin, enkephalin