Fill in the blanks to complete the following statements.
(viii) _________ ions play a significant role in clotting.

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Solution

Blood coagulation:
The process of formation of a clot at the site of injury is called blood coagulation or blood clotting.
The thrombocytes/platelets perform the coagulation of blood.
The enzyme thromboplastin initiates blood coagulation.
Calcium ions:
The most significant ions in the process of coagulation of blood are calcium ions.
Because calcium ions are required for the conversion of thromboplastin into prothrombinase and prothrombin into thrombin (active).
Calcium ions play a significant role in clotting.

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