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