Blood does not transport $O_{2}$ in

Man.

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Frog.

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Cockroach.

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Pheretima.

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Solution

The correct option is B Cockroach.
In humans, Hemoglobin (Hb or Hgb ) is an iron-containing protein present in erythrocytes or Red blood cells (RBC) of almost all vertebrates. Each hemoglobin can bind to four oxygen molecules. It carries oxygen from lungs to tissues.
In cockroach, blood does not transport oxygen because in the blood of cockroach hemoglobin is absent.
So, the correct answer is 'Cockroach'.

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