CBSE Class 10 Answered
2. Why is diffusion is insufficient to meet the oxygen requirements of multicellular organisms like humans?
Asked by rahmanfarseen | 03 Apr, 2018, 07:01: PM
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 | 05 Apr, 2018, 06:36: PM
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