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  • Diffusion
    • The movement of particles in a liquid or gas from an area of high concentration to low concentration
    • A greater concentration gradient means faster diffusion
    • Examples
      • Respiration
        • Oxygen and glucose diffuse into bodily cells from blood
      • Photosynthesis
        • Carbon dioxide diffuses into photosynthesising cells
      • Digestion
        • Simple sugars and amino acids diffuse from the gut through the cell membranes


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