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Why diffusion insufficient to meet the …

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Why diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans

    • Posted by Shailaja Devireddy 5 years, 4 months ago

    CBSE > Class 10 > Science
    • 3 answers

    Khush Kaur 5 years, 4 months ago

    Because in human beings body cells are not in direct contact of external environment

    0Thank You

    Bhoomi Sharma 5 years, 4 months ago

    In multicellular organism the body of living is not in direct contact with the surroundings so diffusion is unable to meet the needs of that organism.

    0Thank You

    Gaurav Seth 5 years, 4 months ago

    Human beings are multicellular organisms having a complex body structure. The oxygen requirement in multicellular organisms cannot be met by diffusion because- 
    1) Diffusion is a slow process.

     

    2) In multicellular organisms, the cells are not in direct contact with the outside environment as in unicellular organisms.

    Therefore, in human beings, there are specialized tissues and organs that help to meet the oxygen requirements of the body.

    1Thank You

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