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1.Describe the common tissues found in the organs of the intestinal trace.
1. The serosa (outermost) secrets fluids that keeps the outer surface moist for easy sliding of organs during digestion
2. The muscle layer contains two sub-layers: the circular layer and the longitudinal muscle layer. These muscles contract and relax to move chyme through the intestinal tract.
3. The mucosa consists a thin layer of epithelial cells lying on top of a base of connective tissue and smooth muscle. This is where nutrient digestion occurs.
2. Describe the common tissues and structures found in accessory organs.
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Accessory cells have specialized cells as well as ducts, and some even have hormones that regulate digestion.
a. Salivary glands—located in the oral cavity. submandibular - sublingual glands
b. Liver—lies just below the diaphragm on the right side of the body. (biliary tree - gall bladder)
c. Gallbladder—lies on posterior side of the liver.
d. Pancreas—located behind the stomach, attached to the duodenum. (pancreatic duct system)
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