homeostasis - the state of maintaining a stable internal environment despite changing external conditions, organ - a group of tissues that work together to perform a common function, organ system - a group of organs that work together to perform a common function, tissue - a group of cells that work together to perform a common function,

Body Organization and Homeostasis

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?