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CBSE Class 10 Answered

Why is diffusion insufficient to meet the oxygen requirements of multicelluar organisms  
Asked by ammarabdullah1766 | 28 Jan, 2019, 05:05: PM
answered-by-expert Expert Answer
  • In multicellular organisms such as man, the volume of the human body is big and hence, oxygen cannot diffuse into all the cells of the human body quickly.
  • Diffusion, being a slow process will take a lot of time to circulate oxygen to all the body cells.
  • Hence, diffusion is insufficient to meet the oxygen requirements of multicellular organisms like humans.
Answered by Sheetal Kolte | 28 Jan, 2019, 05:51: PM
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