Accurate maple tree identification can sometimes be an issue if you are concerned about the health and care of your tree, but most maples normally are subject to similar pests and diseases, and most require similar care.
The lack of platelets and proteins to form a clot prevents the  clotting of blood. This can also happen if there are any bleeding  disorders that prevent clot formation.Edit.onfidence votes 210. There are many things people can do to prevent blood from clotting inside the blood vessels. One of those is making sure you don't sit/laydown very long.
Thus, the blood must provide a system that can be activated instantaneously  and that can be contained locally  to stop the flow of blood. This system is called the clotting mechanism. To treat or prevent abnormal blood clotting, doctors must understand the multifaceted aspects of the clotting mechanism.