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.
Definition. Because selective permeability is a complex topic, you will be learning the definitions of several terms in this lesson. Selective permeability usually refers to what can enter and exit a cell membrane. There are other processes that are selectively permeable such as some plastics. However, for the purpose of this lesson we will refer to the cell membrane for consistency. Let's describe a membrane for you.