Home » What am I ? » I transfer oxygen from the atmosphere to your blood. What am I?

I transfer oxygen from the atmosphere to your blood. What am I?
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We dwell in cottages of straw, and labor much for little gains; sweet food from us our masters draw, and then with death reward our pains.
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If you are a sore loser, you are often called the sour variety of this fruit.
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‘When Gwen is twice as old as Dean, Then I shall be just 17. But Gwendoline was 23 When Dean was twice as old as me.’ Thats what Bill said. So tell us then, How old he was when Dean was ten?
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How does a river flood?
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A dozen Royals gathered round, Entertained by two who clowned. Each King there had servants ten, Though none of them were also men. The lowest servant sometimes might, Defeat the King in a fair fight. A weapon stout, a priceless jewel, The beat of life, a farmer’s tool. What is it?
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