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small fluid-filled sacs that store, transport, or digest cellular products and waste.
cells that are formed during secondary growth by the vascular cambium ring just to the outside...
simple epithelium with elongated, cells that lines the stomach, small intestine, urethra, vas...
the loss of water from the land to the atmosphere by evaporation from land and water surfaces,...
small units of DNA that contain hereditary information that is passed from one generation to the...
tumours in the lung tissue that interfere with the normal functioning of the lungs.