stress response system

acth activation activity adrenal adrenalin adrenaline anatomy axis biology blood body bronchioles care catecholamine catecholamines chemical chemistry concentration converts cord cortex cortisol crh decreased diabetes diagram digestive dilation dopamine endocrine epinephrine function gland glands glucose glycogen health heart high hormone hormones human hydrocortisone hypothalamic hypothalamus illustration immune impulses increased liver lungs medical medicine metabolism molecule nerve norepinephrine organ pituitary pressure rate response science scientific secrete section spinal steroid stress structure system vessel