Q. Which component of human blood plays the primary role in triggering blood clotting at the site of an injury?
✅ Correct Answer: (C)
Platelets (Thrombocytes)
Explanation: Platelets (Thrombocytes) circulate in the bloodstream and aggregate at the site of a damaged blood vessel to form a physical plug, initiating the chemical clotting process to stop bleeding.
Explanation by: Mr. Dubey
Platelets (Thrombocytes) circulate in the bloodstream and aggregate at the site of a damaged blood vessel to form a physical plug, initiating the chemical clotting process to stop bleeding.