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

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

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

(a) Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans? (b) What type of arrangement exists in the bodies of large animals to meet their oxygen requirements adequately ? (c) What advantage a terrestrial animal has over an quantic animal with regard to obtaining oxygen for respiration?

Give reasons Why is diffusion not sufficient to meet the oxygen requirements of all the cells in multicellular organisms ?

Why will simple diffusion not meet the requirement of human beings ?

Calculate the oxygen requirement for the removal of organic pollutants.

How does cell division help in the formation of unicellular and highly evolved multicellular organisms like human being?

How do organisms meet their energy requirement?