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(also called caustic soda) a white solid, available in pellets, flakes or granules, with the chemical formula of NaOH. It is a chemical that absorbs carbon dioxide in air.
structure surrounding plan tcells i tgives cells rigidity and strength.
middle body tissue layer that forms the muscular, circulatory and excretory systems.
the actions of the body's immune system that work to fight infections or disease.
a mixture of enzymes and other substances secreted by the exocrine cells of the pancreas.