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ground tissue with thin-walled cells that makes up most of the plant body. These cells are used for food and water storage, gaseous exchange and cell division.
the outer most layer of tightly packed modified parenchyma cells in plants.
the breaking down of large, complex food particles into smaller, soluble molecules which can be...
small groups of cells found in the pancreas that secrete the hormones insulin and glucagon.
a ring of muscle that controls the passage of substances through a tube or body opening.