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Serous Membranes

...  digestive organs are housed by the abdominopelvic cavity of the body. These organs are lined with serous membranes - the same membranes that cover the abdominal cavity. These membranes are formed by simple squamous epithelium which are filled with connective tissues. The serous membranes are primarily responsible for secreting enough fluid lubrication for the purpose of digestion. The serous  ...

Tunics

...  tract. The Serosa As the outermost tunic, the serosa is the gastrointestinal tract’s wall. This tunic protects all the actions occurring inside the GI tract, and it’s formed by simple squamous epithelium and connective tissues. The serosa also makes sure that when the GI tract goes through a strong pressure, it holds itself together. The serosa’s simple squamous  ...