1. INTEGUMENTARY SYSTEM MAJOR FUNCTION: COVERS & PROTECTS
TEMP. REGULATION
SENSORY
MAJOR ORGANS:
SKIN
HAIR
NAILS

2. SKELETAL SYSTEM MAJOR FUNCTION: SUPPORT PROTECTION MAKE BLOOD CELLS
STORAGE
MOVEMENT
MAJOR ORGANS:
BONES
JOINTS

3. MUSCULAR SYSTEM MAJOR FUNCTION: MOVEMENT MAJOR ORGANS: SMOOTH MUSCLE
VOLUNTARY
INVOLUNTARY
MAJOR ORGANS:
SMOOTH MUSCLE
CARDIAC MUSCLE
SKELETAL MUSCLE

4. NERVOUS SYSTEM MAJOR FUNCTION: ALLOWS BODY TO RESPOND TO STIMULI
INTERNAL STIMULI
EXTERNAL STIMULI
MAJOR ORGANS:
BRAIN
SPINAL CORD
NERVES
SENSORY RECEPTORS

5. CIRCULATORY SYSTEM MAJOR FUNCTION: CIRCULATES BLOOD BLOOD TRANSPORTS:
O2, CO2, NUTRIENTS, HORMONES, ETC
MAJOR ORGANS:
HEART
BLOOD VESSELS
ARTERIES, VEINS, CAPILLARIES
BLOOD

6. RESPIRATORY SYSTEM MAJOR FUNCTION: GAS EXCHANGE O2 IN CO2 OUT
MAJOR ORGANS:
LUNGS
TRACHEA
DIAPHRAGM

7. EXCRETORY SYSTEM MAJOR FUNCTION: FILTER BLOOD
REMOVE WASTE, EXCESS H2O, MAINTAINS pH
MAJOR ORGANS:
KIDNEY
LUNGS
SKIN
URINARY BLADDER

8. DIGESTIVE SYSTEM MAJOR FUNCTION: BREAK DOWN FOOD ABSORB NUTRIENTS
MAJOR ORGANS:
MOUTH
ESOPHAGUS
STOMACH
INTESTINE (SMALL & LRG)
LIVER
PANCREAS

9. ENDOCRINE SYSTEM MAJOR FUNCTION: REGULATES BODY SYSTEMS WITH HORMONES
MAJOR ORGANS:
ENDOCRINE GLANDS
HORMONES

10. REPRODUCTIVE SYSTEM MAJOR FUNCTION: PRODUCE GAMETES (SPERM OR EGG)
PRODUCE NEW OFFSPRING
MAJOR ORGANS:
TESTES
OVARIES
Testes

11. IMMUNE SYSTEM MAJOR FUNCTION: PROTECTION FROM PATHOGENS
FIGHT OFF PATHOGEN INFECTION
MAJOR ORGANS:
WHITE BLOOD CELLS
LYMPH NODES
BONE MARROW