Clots (or thrombi) are formed to seal the leak in a damaged blood vessel and to prevent the blood from leaking out .
The statement that white blood cells prevent the loss of blood by causing clotting is false. Platelets which are smaller cells are the cells that help blood to clot and prevent the loss of blood by causing clotting.
correct answer is false just took the test
when i got mine it was about a 6 or 7