M. Gallagher Upper Floor Plan

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The human body is made up of approximately 60 trillion cells that work together seamlessly to keep us alive and functioning properly. These cells are organized into various systems, including the skeletal system, muscular system, nervous system, circulatory system, respiratory system, digestive system, endocrine system, immune system, and integumentary system. Each system plays a vital role in maintaining our overall health and well-being.