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Anonymous Posted 14 years ago
Grammar

Articles

Dear forum members,

Why is the following sentence incorrect?

A liver is used to help purify the blood.

Best
Daniel
  

Top answer

It is not exactly 'wrong', Daniel, but it is not a native composition, either. The liver helps purify the blood.

  • It is not exactly 'wrong', Daniel, but it is not a native composition, either.
  • The liver helps purify the blood.
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3 Answers
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It is not exactly 'wrong', Daniel, but it is not a native composition, either.

The liver helps purify the blood.
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My book says that it should be "The liver is used to purify blood" and I don't know why the indefinite article cannot be used here.

Daniel
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It is not wrong, but it probably means something other than you intend. If you're talking about the evolution of internal organs, it might be called for. A four-chambered heart gives birds the energy to fly. A cerebral cortex gives mammals the ability to think. A liver helps purify the blood.

In our own bodies, the kidneys remove nitrogen compounds, the lungs exchange gases, and the liver

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