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Organs
Groups of cells that work together are called tissues.
That is called an organ system.
Groups of cells that work together are called tissues.
organ system
Groups of cells that work together are called tissues.
Groups of cells that work together are called tissues.
They form organ systems.
Groups of cells that work together are called tissues.
Organs
Groups of cells that work together are called tissues.
Groups of cells that work together are called tissues.
Groups of cells that work together are called tissues.
Groups of cells that work together are called tissues.
yes
That is called an organ system.
Groups of cells that work together are called tissues.