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If the body has transport but no excretion what will be the most serious long-term problem?

Answer and explanation

Correct answer: Waste materials will keep accumulating in the blood

The transport system carries nutrients and oxygen to cells, but it also collects carbon dioxide and other metabolic wastes from them. Excretion is required to remove these wastes through organs such as the kidneys and lungs. If excretion stops, wastes will remain in body fluids and blood, disturbing pH, water balance, and normal cell activity, eventually causing serious harm. Therefore option A is correct; the other choices are biologically unrelated.

Related tags

ExcretionTransportWaste-AccumulationLife ProcessesScienceClass 10 Mcq

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