| − | '''Platelets''' are small components in your blood that form a [[scab]], and heal the skin on a cut. | + | '''Platelets''' are small components in your blood that form a [[scab]], and heal the skin on a cut. They do this by clustering together at the site of a wound and then bursting open and releasing [[cytoskeleton]] [[protein]]s, which form a sticky web that stops blood flow. |