biology homeostasis science infographic

response nuclear receptors gene expression down-regulation up-regulation ions electrolytes hormones ras renin–angiotensin–aldosterone system raas renin angiotensin mechanoreceptor thermoreceptors effector control center receptor extracellular fluids ph regulatory mechanisms regulation homeostatic range equilibrium balance variables organism internal body systems stable steady chemistry biochemistry condition chemical physical fluid levels blood sugar temperature science biology homeostasis concept people person vector