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The Human Body Facts and Worksheets

Did you know the human body is made up of over 100 trillion cells, has 206 bones, 320 pairs of muscles and five vital organs? It is a remarkable biological machine with many systems working together to allow for life, movement, cognitive function, growth, repair, reproduction and so much more. These systems include the central nervous system, the circulatory system, the respiratory system, the digestive system, the immune system, the reproductive system, the skeletal structure and musculature