Platelets are blood cells, a type of pellet. A very small, but it is important, particularly because the body makes blood clot and solid fillings and tear of blood that is, there's a sharp injury.
Platelets are blood cells, a type of Very small It is important to the body, especially because the blood clot and seal the tear strengths of the vein at the injuries.
Platelets is a type of blood cell is very small, but the body strongly เพราะช่วย makes blood into solid wedge and Udon to tearing of the blood vessel at the time were sharp injury