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Biology
7. The Circulatory System
Home · Class 10 · Biology · Ref. Book · 7. The Circulatory System
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Q2 of 95 Page 83

Name the following:

Any two diseases related to blood clotting.

Two diseases related to blood clotting are viral dengue fever, hemophilia.

Note: in viral dengue fever the platelet count decreases leading to slow coagulation of blood and haemorrhage. In hemophilia some of the protein components required, such as thrombokinase, are deficient leading to slow or no coagulation.


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1

State which of the following statements are True.

(i) The process of coagulation starts with the release of a substance from RBCs.


(ii) Blood fails to clot readily in the case of deficiency of calcium.


(iii) The solid fibrin and thrombin are one and the same thing.


(iv) The clear liquid that oozes out after the formation of a clot is serum.

2

Name the following:

The category of vitamin required for clotting of blood.

2

Name the following:

The antibodies present in the plasma of O type blood group.

2

Name the following:

The animal for which Rh stands in the context of blood group.

Questions · 95
7. The Circulatory System
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