THE HUMAN BODY SYSTEMS THE ENDOCRINE SYSTEM MAJOR ORGANS: GLANDS PITUITARY, THYROID, THYMUS, PANCREAS, ADRENALS FUNCTION: USES CHEMICAL MESSENGERS (HORMONES) TO CONTROL BODY FUNCTIONS SUCH AS GROWTH, DEVELOPMENT, AND METABOLISM. THE CIRCULATORY SYSTEM MAJOR ORGANS: HEART, BLOOD VESSELS, BLOOD FUNCTION: RESPONSIBLE FOR BRINGING OXYGEN, NUTRIENTS, AND HORMONES TO CELLS, REMOVING WASTES, AND REGULATING BODY TEMPERATURE. THE RESPIRATORY SYSTEM MAJOR ORGANS: PHARYNX, LARYNX, TRACHEA, BRONCHI, LUNGS FUNCTION: MOVES OXYGEN INTO THE BODY AND WASTE GASES OUT THE NERVOUS SYSTEM MAJOR ORGANS: BRAIN, SPINAL CORD, NERVES FUNCTION: CONTROLS THE BODY BY DETECTING AND RESPONDING TO CHANGES IN THE ENVIRONMENT THE SKELETAL SYSTEM MAJOR ORGANS: BONES (COMPACT AND SPONGY), AND CARTILAGE FUNCTION: 5 MAJOR FUNCTIONS: 1.PROVIDES SHAPE & SUPPORT 2.PROTECTS INTERNAL ORGANS 3.MUSCLES ATTACH TO THEM TO HELP US MOVE 4.BLOOD CELL FORMATION 5.STORES CALCIUM AND PHOSPHOROUS THE MUSCULAR SYSTEM MAJOR ORGANS: MUSCLES AND TENDONS FUNCTION: RELAX AND CONTRACT TO MOVE YOUR BODY PARTS THE EXCRETORY SYSTEM MAJOR ORGANS: KIDNEYS, SKIN, LUNGS FUNCTION: REMOVES WASTES FROM THE BODY THE DIGESTIVE SYSTEM MAJOR ORGANS: MOUTH, PHARYNX, ESOPHAGUS, STOMACH, SMALL AND LARGE INTESTINES, RECTUM FUNCTION: CONVERTS FOOD INTO SIMPLER MOLECULES THAT CAN BE USED BY THE BODY THE IMMUNE SYSTEM MAJOR ORGANS: SKIN, TONSILS, SPLEEN, THYMUS GLAND, LYMPH NODES, WHITE BLOOD CELLS FUNCTION: TO FIGHT DISEASE AND INFECTION THE INTEGUMENTARY SYSTEM MAJOR ORGANS: HAIR, SKIN, NAILS FUNCTION: TO PROTECT UNDERLYING TISSUES OF THE BODY