16 词条主页 > 词条 > 塞尔维亚 (SR) > систем органа
систем органа
Collection of organs which have related roles in an organism's functioning. The nervous system, vascular system, and muscle system are all organ systems.
0
0
完善词条
您想要说什么？
新闻词条
精选词条
црвени северни фликер
The Red-shafted Northern Flicker (Colaptes auratus) is a medium-sized member of the woodpecker family. Native to western North America, it's one of ...
