Thrombin.fibrin
Serotonin
PDGF
No, the serotonin is collected and stored by platelets but not released by them. Serotonin is secreted by Enterochromaffin cells.
Serotonin
True
Type your answer here... thromboplastin
Platelets help form blood clots when a blood vessel is injured. They are found in the bone, where they are then released to go help patch up your wound. Therefore, you're answer is: inside your bones.
Platelets help heal your wound, the scabs that form are the platelets
platelets that are smaller in size than your average platelets... Can be associated with aplastic anemia.
platelets.
E. histamine