![What prevents clotting of blood inside blood vessels?](https://www.gkseries.com/blog/wp-content/uploads/2022/01/What-prevents-clotting-of-blood-inside-blood-vessels.png)
Q. What prevents clotting of blood inside blood vessels?
A. Heparin
B. Serotonin
C. Fibrinogen
D. Fibrin
Answer: Heparin
A. Heparin
B. Serotonin
C. Fibrinogen
D. Fibrin
Answer: Heparin
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