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

Posted by Mansi Sharma 4 years, 5 months ago

CBSE > Class 10 > Science

4 answers

Adithya Dev A 4 years, 5 months ago

Diffusion, in multicellular organisms, is not enough to meet energy requirements of innermost cells of its body, as O2 reaches those cells gradually through this method.

0Thank You

Man Mohan Singh 4 years, 5 months ago

Because human has a very complex body structure and it take nearly 3 years to transfer o2 from heart to legs.

2Thank You

Ayan Patel 4 years, 5 months ago

Size of multicellular organism is very large as compare to unicellular organism and diffusion is passive mode of transportation of substance and can transfer gases up to a small distance only

0Thank You

Tanu Srivastava 4 years, 5 months ago

Because multicellular organisms has complex working systems which need more energy(oxygen) at a time where as diffusion is a very slow process which can't be able to fulfill the needs of sufficient oxygen to the body

1Thank You

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