Why is diffusion insufficient to meet the oxygen requirements of the multicellular organism like humans?
Answers
Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?
Answer:-
Unlike the unicellular organisms, the multi-cellular organisms have complex body structures with specialized cells and tissues to perform various necessary functions of the body. Since these cells are not in direct contact with surrounding environment so, simple diffusion cannot meet the oxygen requirement of all these cells.
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Answer:
Explanation:
Because in multicellular organisms all the cells of the body are not in direct contact of the external environment unlike unicellular organisms. Their are various specialised cells which forms tissues, organs and organ system, so a proper respiration system is needed to meet the oxygen requirements of multicellular organisms.