System Balance: Homeostasis Overview

p {margin: 0; padding: 0;} 10 Skeletal system components 4 functions L Homeostasis skeleton body support blood calcium -tendons - protection of internal organs - bone reabsorb excreted calcium -ligaments movement -bone break down to reabsorb calcium 1 -cartilage 1 Respiratory system components 6 L functions 'nomeostasis nasal cavity gas exchange blood PH - pharynx - intake of oxygen respiratory rate T = THH larynx - -release of Carbon dioxide 'respiratory rate & = & PH - trachea - bronchi - lungs HOMEOSTASIS maintaining the same state maintenance of an internal balance wl internal / external changes example in the human body physical or chemical properties such as To PH, blood glucose -rely on negative feedback mechanism the control mechanism will reduce the stimulus example body will shiver to raise To wl cold outdoor To causes body To to drop -rarely on positive feedback mechanisms the control mechanism will amplify the Stimulus (at instances with an end point) example body will continue to i palatelet amount until scabbed over b/c loss of blood - a stimulus receptor control center response message to effector organ or gland generate response example carciovascular system and uninary System in homeostasis blood pressure - reduce heart rate stroke volume dilate blood vessels more urine blood pressure - increase heart rate, stroke volume constrict blood vessels less urine T blood pressure