When you bleed, your blood's clotting cells, called platelets, build up at the site of your wound. The platelets help form a plug that seals the opening in your blood vessel to stop bleeding.
当你出血时,血液中的凝血细胞,也即血小板会聚集到你的伤口部位,形成一个塞子封住你的血管来止血。
When you bleed, your blood's clotting cells, called platelets, build up at the site of your wound. The platelets help form a plug that seals the opening in your blood vessel to stop bleeding.
当你出血时,血液中的凝血细胞,也即血小板会聚集到你的伤口部位,形成一个塞子封住你的血管来止血。
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