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Blood and Blood Circulation


13. 

The cells found in the blood which acts as the soldiers of the body are

Answer : C. White blood corpuscles

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14. 

Total volume of blood in a normal human body

Answer : A. 5 litres

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15. 

Oxygen is taken to the different tissues of the body by

Answer : A. Red blood corpuscles

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16. 

Which one of the following blood vessels contains impure blood?

Answer : C. Pulmonary artery

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17. 

Which one of the following helps in the digestion of food?

Answer : B. Enzymes

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18. 

A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfision?

Answer : A. O,Rh-

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