Formed elements ( blood corpuscles)
- Formed elements or blood cells constitute 45% of the blood.
- Blood corpuscles are of three types i.e. leukocytes (white blood cells), erythrocytes (red blood cells) and thrombocytes (blood platelets).
- The functions of RBC include transport of O2 and CO2, maintenance of pH etc.
- The function of leukocytes in the defence against microbes and foreign particles
- The function of thrombocytes is in blood clotting.
The function of thrombocytes is in blood clotting. Hence, the correct answer is option d.
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