Skeletal System: , Provides structure and support, Bones, Joints, Nervous System: , Controls body functions and responses, Brain, Nerves, Respiratory System: , Facilitates gas exchange, Lungs, Trachea, Endocrine System: , Regulates hormones and metabolism, Parathyroid gland, Pineal gland, Immune System: Defends against pathogens, White Blood Cells, Lymph nodes, , Circulatory System: Transports blood and nutrients, Heart, Blood, ,

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