Idiom
White blood cell act

For clotting blood
As a medium for oxygen transport from lung to tissues
As a defence against infection
As a source of energy

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Idiom
For each of the following sentences four alternatives are given. You are required to choose the correct meaning of the idiom or phrase given or underlined in the sentence. To turn up one's nose at a thing

To show indifference
To start a grapple with it
To treat it with contemptuous dislike or disgust
To show eagerness to have something

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