Human body is functioning through following body systems. They are:
1. Skeletal system, 2. Muscular system, 3. Digestive system, 4. Circulatory system
5. Respiratory system, 6. Nervous system, 7. Excretory (urinary) system, 8. Endocrine system.
There are also reproductive, lymphatic and integumentary (skin) systems.
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