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Platelets are cell fragments derived from megakaryocytes and are involved in blood clotting.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood Groups - ABO Rh System and Coagulation
Platelets release clotting factors, initiating the coagulation cascade to form a clot.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood Groups - ABO Rh System and Coagulation
Calcium ions (Ca²⁺) are essential for the blood clotting cascade, activating clotting factors.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood Groups - ABO Rh System and Coagulation
Prothrombin is converted into thrombin by the action of calcium ions and clotting factors like thromboplastin.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Blood Groups - ABO Rh System and Coagulation
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