10. Mouth – his oval-shaped opening in your skull starts at your lips and ends at your throat. Your mouth allows air and nutrients to enter your body, and it also helps you speak. It's also called the oral cavity.

9. Gallbladder – Its main function is to store bile. Bile helps your digestive system break down fats. Bile is a mixture of mainly cholesterol, bilirubin and bile salts.

8. Liver -The liver is the largest solid organ in the body. It removes toxins from the body's blood supply, maintains healthy blood sugar levels, regulates blood clotting, and performs hundreds of other vital functions. It is located beneath the rib cage in the right upper abdomen.

7. Pancreas – It is located inside your abdomen, just behind your stomach. It's about the size of your hand. During digestion, your pancreas makes pancreatic juices called enzymes. These enzymes break down sugars, fats, and starches.

6. Large Intestine – connects the end of the ileum to the anal canal. In the large intestine, the intestinal content that arrived there from the small intestine is dehydrated and compacted into feces. The large intestine starts as a pouch called cecum and continues as the ascending, transverse, descending and sigmoid colon, followed by the rectum and anus.

1. Mucosa- is the innermost tunic of the wall. It lines the lumen of the digestive tract. The mucosa consists of epithelium, an underlying loose connective tissue layer called lamina propria, and a thin layer of smooth muscle called the muscularis mucosa. Certain cells in the mucosa secrete mucus, digestive enzymes, and hormones. 2. Submucosa -…[Read more]