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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