Question

why is process of digestion insufficient to meet oxygen reqiurement of human beings

Answer 1

HEYA!
--------

❇It Should be DIFFUSION NOT DIGESTION .

----------------------------------------------------------------------------------------------



➡DIFFUSION ⬅

⏪THE process of diffusion is insufficient to meet the oxygen requirements of human being because the human body is so large and voluminous that Oxygen cannot diffuse in all the parts of the body . Moreover , the entire human body is not in contact with the environment.

------------------------------------------☺☺----------------------------------------------

Answer 2

HEYMATE!!!!

■ In multi - cellular organisms, all the cells may not be in direct contact with the surrounding environment.

■thus,simple diffusion will not meet the requirements of all the cells.

■In case of a single - celled organism, no specific organs for taking in food, exchange of gases or removal of wastes may be needed because the entire surface of the organism is in contact with the surrounding environment.

HOPE IT HELPS YOU !!!!