General Science • BiologyEasy
Which blood component plays the critical role of initiating blood clotting and coagulation upon injury to blood vessels?
A. Erythrocytes
B. Leukocytes
C. Thrombocytes✓ Correct Answer
D. Plasma proteins
💡 Solution & Explanation
Thrombocytes, commonly known as blood platelets, circulate in the blood and aggregate at sites of vascular injury to form plugs and trigger the coagulation cascade. Erythrocytes are responsible for oxygen transport, while leukocytes manage immune defense. Human circulatory system physiology is a standard area tested in biology questions.
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