Waste materials present in the body (as a result of metabolism ) need to be excreted as their accumulation may be toxic to the organism. Different organisms have different mechanisms for excretion.

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Chapter 49, Problem 5TY

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Introduction: Waste materials present in the body (as a result of metabolism) need to be excreted as their accumulation may be toxic to the organism. Different organisms have different mechanisms for excretion.

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