Question

when the body size of animals is large the diffusion pressure alone cannot take care of oxygen explain ​

Answer 1

Answer:

Large animals have a large number of cells.

As the animal gets larger, it has most of its cells not exposed to the environment.

It therefore needs other means for oxygen supply since oxygen cannot reach its cells through diffusion from the environment.

This is made possible by the circulatory system in large organisms.

The Circulatory system is the means through which materials like respiratory gases, nutrients, hormones, intermediate metabolic products and metabolic end products are transported to and from all body tissues

Answer 2

Answer:

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Explanation:

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