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The Organization of Living Things Benefits of Being Multicellular • Larger size • Longer life span • Cell Specialization – each type of cell has only one job to do Examples of Specialized Cells • Muscle cells are designed to contract. Guard cells from a plant are designed to allow gases into and out of the plant. • Nerve cells are designed to send signals. • White blood cells are designed to fight disease. • Red blood cells are designed to carry oxygen. How are living things organized ? molecules organelles cells tissues organs organ system organism Organization of Living Things molecules cells organelles tissues organ systems organisms organs