Osmosis and Diffusion

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  • Diffusion
    • occurs when gas particles spread out
    • gases move from a high concentration area to a low concentrated area
      • concentration gradient
    • Examples
      • amino acids, sugars etc moving from gut to the blood capillaries by moving into the blood stream
      • oxygen moving from lungs to blood cells
  • roots have pure water and the ground has the nutrients which will be absorbed.


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