Options:
A.
B.
C.
D.
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Earlier discussion
1 older comment kept for context.
isaac alamu
D is the correct option, excretory system is the correct answer, what is excretion? this is the ability of an organisms to get rid of their metabolism wastes product, such as sweat, urine, urea and so on.excretory organ include liver (human), kidney(human), nephridia (in earthworm), flame cell (in flatworm), body surface (in some protozoa like amoeba).ETC