We’ve just described the cell’s Plasma Membrane (PM) and how it separates the water inside a cell from the water outside a cell. But no man cell is an island. Except pancreatic islet cells, which is a joke we won’t cover until A&P 2.
We all know that the body is filled with water. And that cells are filled with water. So, how do you separate the water inside a cell from the water outside of a cell? It all starts with the Plasma Membrane or PM.
First, what are Anatomy & Physiology? “Anatomy” comes from Greek, meaning “to cut up”. Anatomy is the study of the structures in the Body. Physiology is the study of how those structures function. They’re technically two different, distinct fields of study but we always… Continue Reading “Intro to Anatomy & Physiology”