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Describe the major function of the skeletal, muscular, digestive, respiratory, circulatory, excretory, immune, and nervous system
What is SKELETAL (provides a frame to support and protect body parts), Muscular (works with skeletal to help you move),digestive (breaks down food you eat into nutrients for the body), respiratory (lungs absorb oxygen and release carbon dioxide), circulatory (heart pumps blood through all of your blood vessels), excretory (sends out chemical messages), immune (helps fight pathogens that cause illness) and nervous (recieves and sends electriacl messages throughout your body).