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Façade (Integumentary system)
Control-electrochemical (Brain and nervous system)
Sensory (Senses)
Structural framework (Skeletal system)
Motor/mechanical (Muscular system)
Control-chemical (Endocrine system)
Heat circulation (Cardiovascular system)
Security (Immunological system)
Gas exchange (Respiratory system)
Solid Intake / waste removal (Digestive system)
Water and sewer (Urinary system)
Replication (Reproductive system).

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