As its name implies, the calf raise exercise emphasizes the calves, which include the gastrocnemius and soleus muscles--the primary plantar flexors.
exists and is an alternate of . The adjective permeable describes something that can be penetrated by liquids, especially water, for example rock or soil. 18 people found this useful.
If you break down the two words, selective means to only pick certain things, and permeable means to let pass through. When you talk about something being selectively perme â¦ able, it usually refers to a cell membrane because it only lets in certain nutrients and lets out proteins and what not. In human terms, a DOOR is permeable, but a wall is not. [and technically speaking, sometimes a window is permeable]    So, if a membrane is selectively permeable this means that only some things can go in or out through the membrane.