Clotting begins when a occurs in a blood vessel wall. Almost immediately, cling to the blood vessel wall and release , which helps to decrease blood loss by constricting the vessel. is also released by damaged cells in the area. This chemical substance causes to be converted to . Once present, thrombin acts as an enzyme to atatch molecules together to form long, threadlike strands of , which then traps flowing by in the blood.
Options
1. FIBRINOGEN
2. SEROTONIN
3. PROTHROMBIN
4. BREAK
5. FIBRIN
6. THROMBOPLASTIN
7. ERYTHROCYTES
8. PLATELETS
9. THROMBIN
Answers: 3
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Clotting begins when a occurs in a blood vessel wall. Almost immediately, cling to the blood vesse...
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