Circulatory system delivers oxygen-rich blood to your bones. Meanwhile, your bones are busy making new blood cells. Working together, these systems maintain internal stability and balance
Skeletal and Circulatory Systems holds your body in doing physical activities
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Circulatory system delivers oxygen-rich blood to your bones. Meanwhile, your bones are busy making new blood cells. Working together, these systems maintain internal stability and balance
Skeletal and Circulatory Systems holds your body in doing physical activities