The average lifespan of a platelet in a normal adult is: Post author By Anonymous Post date June 10, 2025 Related Posts:The average lifespan of a platelet in a normal adult is:The average lifespan of a platelet in a normal adult is:The lifespan of a platelet in the circulation is: ← The key organs involved in extramedullary hematopoiesis incl… → 90% of in vivo hemolysis is intravascular.