The skin of the body is additionally host to billions of commensal organisms as well as immune cells.[5] Not all portions of the body are made from cells. Cells sit in an extracellular matrix that consists of proteins for instance collagen, surrounded by extracellular fluids. Figure 8. Serous Membrane. Serous https://finnrcszc.blogsmine.com/34437950/top-guidelines-of-recognition-breed-standards