Red blood cells (Shape), Round with a small dip in the middle, Nerve cells (Shape), Long—some are over a metre long!, Red blood cells (Function), Help carry oxygen and move through tiny blood vessels, Nerve cells (Function), Help send messages quickly across the body, Muscle cells (Shape & Function), Elongated cells that contract to help the body move, Skin cells (Shape & Function), Flat and tightly packed to protect the inner body, The relationship between cell shape and job, Their shapes help them do different jobs perfectly

U12.4

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