ileum- the last part of the small intestine before the large intestine begins. jejunum- the long, coiled mid-section of the small intestine; it is between the duodenum and the ileum. liver- a large organ located above and in front of the stomach. It filters toxins from the blood, and makes bile (which breaks down fats) and some blood proteins. mouth- the first part of the digestive system, where food enters the body. Chewing and salivary enzymes in the mouth are the beginning of the digestive process (breaking down the food). pancreas- an enzyme-producing gland located below the stomach and above the intestines. Enzymes from the pancreas help in the digestion of carbohydrates, fats and proteins in the small intestine. peristalsis- rhythmic muscle movements that force food in the esophagus from the throat into the stomach. Peristalsis is involuntary - you cannot control it. It is also what allows you to eat and drink while upside-down. rectum- the lower part of the large intestine, where feces are stored before they are excreted. salivary glands- glands located in the mouth that produce saliva. Saliva contains enzymes that break down carbohydrates (starch) into smaller molecules. sigmoid colon- the part of the large intestine between the descending colon and the rectum. stomach- a sack-like, muscular organ that is attached to the esophagus. Both chemical and mechanical digestion takes place in the stomach. When food enters the stomach, it is churned in a bath of acids and enzymes. transverse colon- the part of the large intestine that runs horizontally across the abdomen. Reference: http://www.enchantedlearning.com/subjects/anatomy/digestive/
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