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organ system-mr

Skeletal system Supports body; protects internal organs; allows movement; stores minerals; produces blood cells
Integumentary system Guards against infection and injury; helps regulate body temperature
Muscular system With skeletal system, produces movement; helps circulate blood and move food through the digestive system
Circulatory system Transports oxygen, nutrients, and wastes; fights infection; helps regulate body temperature
Respiratory system Brings in oxygen needed by cells; removes carbon dioxide from the body
Digestive system Breaks down food; absorbs nutrients; removes food wastes
Excretory system Removes waste products from the body
Nervous system Controls the body's responses to changes within the body and outside it
Endocrine system Controls growth, development, and energy processes; helps maintain homeostasis
Reproductive system Produces sex cells; in females, nurtures and protects developing embryo
Immune system Fights infection; attacks invading bacteria and viruses
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