THE HUMAN BODY EXPLAIN THE PURPOSE OF THE MAJOR ORGAN SYSTEMS IN THE HUMAN BODY (DIGESTION, RESPIRATION, REPRODUCTION, CIRCULATION, EXCRETION, MOVEMENT, CONTROL AND COORDINATION, AND FOR PROTECTION FROM DISEASE)

THE PROCESS OF MAINTAINING A FAIRLY CONSTANT INTERNAL ENVIRONMENT DESPITE CHANGING CONDITIONS; IT IS HOW WE “REGULATE” OURSELVES  SWEATING, DRINK WATER, EXCRETION, SHIVERING

“CIRCULATION IS THE KEY” A TRANSPORT SYSTEM FOR MANY SUBSTANCES; INTERACTS WITH THE DIGESTIVE AND RESPIRATORY SYSTEMS

MAJOR PARTS  HEART, VEINS, ARTERIES AND CAPILLARIES, BLOOD CIRCULATORY SYS MAJOR PARTS  HEART, VEINS, ARTERIES AND CAPILLARIES, BLOOD

DIGESTIVE SYS “EATING & ELIMINATION” BREAKS DOWN FOOD INTO SMALLER PIECES THAT CAN BE USED BY YOUR CELLS; DIGESTION CAN HAPPEN TWO WAYS: MECHANICALLY AND CHEMICALLY

DIGESTIVE SYS MAJOR PARTS  TONGUE, TEETH, SALIVARY GLANDS, ESOPHAGUS, STOMACH, SMALL & LARGE INTESTINES, LIVER, PANCREAS, GALL BLADDER

PROVIDES SUPPORT AND STRUCTURE FOR THE BODY; MUSCLE ATTACHES TO BONES TO ALLOW FOR MOVEMENT

MAJOR PARTS  BONES, CARTILAGE, TENDONS, LIGAMENTS SKELETAL SYS MAJOR PARTS  BONES, CARTILAGE, TENDONS, LIGAMENTS

RESPIRATORY SYS “ALL ABOUT BREATHING” THE MOVEMENT OF AIR IN AND OUT OF THE LUNGS

RESPIRATORY SYS MAJOR PARTS  NOSE, TRACHEA, BRONCHIAL TUBES, LUNGS, ALVEOLI, DIAPHRAGM

IMMUNE SYS “PROTECTING THE HOMEFRONT” A COLLECTION OF CELLS AND TISSUES THAT DEFEND THE HUMAN BODY AGAINST OUTSIDE INVADERS; TO PREVENT DISEASE

IMMUNE SYS MAJOR PARTS  LYMPHATIC SYSTEM, SPLEEN, TONSILS, BONE MARROW MAKES WHITE BLOOD CELLS

MUSCULAR SYS “MEAT ON THE BONES” USED TO MOVE THE BODY, HELP CIRCULATE THE BLOOD AND MOVE FOOD THROUGH THE DIGESTIVE SYSTEM

MUSCULAR SYS MAJOR PARTS  INVOLUNTARY (SMOOTH), HEART (CARDIAC) AND VOLUNTARY (STRIATED SKELETAL)

NERVOUS SYS “I’M SENSING SOMETHING” THE CONTROL AND COMMUNICATION NETWORK OF THE BODY; IT DETECTS AND RESPONDS TO STIMULI BOTH INSIDE AND OUTSIDE THE BODY

MAJOR PARTS  BRAIN, SPINAL CORD AND NERVE CELLS NERVOUS SYS MAJOR PARTS  BRAIN, SPINAL CORD AND NERVE CELLS

REMOVES LIQUID WASTES FROM THE BODY EXCRETORY (URINARY) REMOVES LIQUID WASTES FROM THE BODY

EXCRETORY SYS MAJOR PARTS  URINARY TRACT (KIDNEYS & BLADDER), SKIN AND SWEAT GLANDS, BLOOD VESSELS

REPRODUCTIVE SYS NECESSARY FOR THE CONTINUATION OF A SPECIES HUMAN REPRODUCTION INVOLVES TWO PARENTS, THE MALE AND THE FEMALE FERTILIZATION HAPPENS WHEN THE SPERM AND EGG UNITE

SYSTEMS CAN’T WORK ALONE ! ! !