Biology
Rajeev developed a clot at the site of bleeding. Which of the following is/are involved in the process described above?
(1) Platelets
(2) WBCs
(3) Plasma
(4) RBCs
- Only 1
- only 1 and 2
- Only 1, 3 and 4
- Only 1, 2 and 4
Circulatory System
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Answer
Only 1
Reason — Clotting is initiated by release of thrombokinase by disintegrating platelets.
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