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.
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What is the correct answer to this question?
Waste materials will keep accumulating in the blood
Why is this the correct answer?
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.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Life Processes. Topic: Excretion.
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