Diffusion is the ____ of substances from where there is a high concentration (____) to where there is a low concentration (very ____). Substances move ____ and out of cells through the cell ____ by the process of ____. For example, ____ diffuses into our red ____ cells to be carried around the body. It then diffuses ____ of the red blood cells when it reaches cells that need it.

Diffusion

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？