How many serous membranes are in the human body?
First Answer There are four main types of tissues in the human body. They are: muscular, epithelial, nervous, and connective. The only other tissues types that are commonly categorized are the membranes. These include: cutaneous, serous, mucous, and synovial. Another Answer There are "pluripotent" generalist Cells that may be transmogrified into any of just about 220 different types of Tissues in the Body.