The urinary system monitors and balances the Extracellular fluid in the body.
Answer:
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There are three parts to this theory. The first part states that all organisms are made of cells. The second part states that cells are the basic units of life. These parts were based on a conclusion made by Schwann and Matthias Schleiden in 1838, after comparing their observations of plant and animal cells.
Answer:
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Explanation:
It separates the content of cell from their external environment.
It controls the entry and exit of materials in nd out of cell