Circulatory system - Transports blood containing oxygen and food molecules to cells., Nervous system - Detects internal and external stimuli and brings about a coordinated response., Muscular skeletal system - Supports and protects the body and allows it to move., Immune system - Protects the body against infections., Digestive system - Digests (breaks down) food molecule and transports them into the bloodstream., Respiratory system - Takes in oxygen and releases carbon dioxide., Reproductive System - The organs and tissues involved in producing offspring.,

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