Because you would bleed to death if you didn't have blood clots. Clotting help block so not as much blood leaves the body. It also protects from infection and bacteria.
Blood Clots<span>. </span>Blood clotting<span>, or </span>coagulation<span>, is an </span>important<span> process that prevents excessive bleeding when a </span>blood<span> vessel is injured. Platelets (a type of </span>blood<span> cell) and proteins in your plasma (the liquid part of </span>blood<span>) work together to stop the bleeding by forming a </span>clot<span> over the injury.</span>