Diffusion: Movement of gases such as oxygen and carbon dioxide, Food coloring disperses throughout a beaker , Perfume is sprayed and the odor spreads from one part of the room to the other, Waste product (e.g. carbon dioxide) moving out of a cell and into the blood, Osmosis: Movement of water across the cell membrane, Water diffuses out of your cells. , A raisin swells in water, Roots taking up water from the surrounding soil., Both: Passive transport, Movement of substances from a HIGH to LOW conentration, No energy required, Molecules move down a concentration gradient,

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