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===About Platelets===
: [[Platelet]]s make up less than 1% of the [[blood]].
: [[Platelet]]s are pieces of dead [[Red Blood Cell|red blood cells]].
: When [[blood]] escapes a [[Blood Vessel|blood vessel]] the [[platelet]]s bind together to form a [[Blood Clot|blood clot]]. However, sometimes a [[Blood Clot|blood clot]] can form inside a [[Blood Vessel|blood vessel]] and block a [[Blood Vessel|blood vessel]].