(OMITTED) "Research shows that if children are exposed to the outdoors between the ages of 1 and 6, they're going to love the outdoors and want more of it, and hopefully they'll become responsible for their environment."

VOA: standard.2010.06.25

Some form what are called megakaryocytes which become platelets, which are responsible for clotting, for forming a barrier if your circulatory system gets injured so you don't bleed.

还有一些类型的细胞称为巨核细胞,生成有凝血作用的血小板,在你的循环系统受损时形成止血屏障

耶鲁公开课 - 生物医学工程探索课程节选