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@helpmehelpme Hey, Nice to Be with You !! Can You say few words what you know about the common tissues ?
Connective, Epithelial, muscle, nervous. There are layers of smooth muscle that line the walls of the tract, and contract to move food through. Nervous tissue is located in the tract, and transports electrical stimulus to the brain. Connective tissue is found between and around the muscles along the digestive tract, and blood transports nutrients throughout the body.
I need more details tho
Well... The common organs in the digestive system, the mouth, the pharynx, and the portion of the esophagus that is above the diaphragm are not lined with serosa. Rather, they are lined with a different layer of fibrous tissue called the adventitia.
for ref http://www.aboutgastro.com/digestive-system/tissue-layers-of-digestive-tract