explain the process of digestion,respiration,excretion.

Asked by Neha199200 | 13th May, 2008, 07:20: PM

Expert Answer:

digestion is conversion of complex food substances into simpler ones which can further be assimilated n used

as protien inti amino acids

respiration is the process of producing energy by oxidation of carbohydrate n other nutrients

excretion is process of removal of metabollic wastes

Answered by  | 14th May, 2008, 06:13: PM

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