Organization in the human body | Cells and organisms | Middle school biology | Khan Academy
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Organization in the human body | Cells and organisms | Middle school biology | Khan Academy
In multicellular organisms, the body is a system of multiple interacting subsystems. These subsystems are groups of cells that work together to form tissues and organs that are specialized for particular body functions. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We ...
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