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Blood and Blood Circulation


7. 

Rh- blood grouping was first identified by

Answer : C. Weiner

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8. 

The A,B,O blood groups were discovered by

Answer : C. Karl Landsteiner

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9. 

Normal blood pressure is

Answer : A. 120/80 mm Hg

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10. 

The mineral needed for clotting of blood in animal is

Answer : C. Calcium

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11. 

In the human body, where does buffer action take place?

Answer : B. Stomach juice

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12. 

Which of the following vitamins is associatd with the clotting of the blood?

Answer : D. K

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