Organs in Digestive SystemOnline version matching the terms by Deshia Clemons 1 Oral Cavity 2 Pharynx and Esophagus 3 Stomach 4 Pancreas 5 Small Intestine 6 Large Intestine 7 Liver and Gallbladder location where the initial phases of mechanical and chemical digestion begin Roof; containing a hard and soft palate Contains teeth, lips, cheeks and the tongue Divided into three regions; nasopharynx, oropharynx, and laryngopharynx This is a continuation of the pharynx and is 25 cm long while emptying into the stomach inferiorly lined with lamina propria (areolar connective tissue), muscularis mucosae (smooth muscle), and stratified squamous epithelium The walls of the _____ are formed by the _____ constrictor muscles, which constrict to push food into the esophagus. large, distensible muscular sac, which varies in size and shape from individual to individual. It lies to the left of the upper abdomen, immediately below the diaphragm. Can hold up to 1500mL (4 liters) of chyme which can stay in the stomach for 2-4 hours 7 different regions; cardiac, funds, body, pyloric antrum, pyloric canal, pyloric sphincter, pylorus, contains4 layers; serosa, muscularis, submucosa, and mucosa Mechanical digestion- After a bolus of food is swallowed, it leaves the esophagus and enters the stomach through the lower esophageal sphincter. secretes digestive enzymes that help break down proteins, carbohydrates, and fats. It also has endocrine functions. If damaged, results lead to Type 1 Diabetes main digestion and absorption site for water, proteins, carbohydrates (sugars), and lipids (fats). 3 parts; duodenum, jejunum, ileum connects to the ileum of the small intestine and traverses the abdomen to terminate at the anus. Divided into 7 parts; contains the sigmoid color, rectum and anal canal Defecation occurs when waste passes from the sigmoid colon into the rectum, which causes a reflex contraction of the rectal muscles expelling the waste. The external anal sphincter can inhibit this movement voluntarily. Largest GLAND in the body functions include; production of bile, storage units for fats, and the activation of Vitamin D is a 7-10 cm long brown-green sac found under the inferior surface of the right lobe of the liver.