Matching Pairs Parts of digestive system Online version parts of the digestive system and their functions by Dr. David Myers 1 Liver 2 Rectum 3 Small intestines 4 Gall bladder 5 Stomach 6 Pancreas 7 Esophagus 8 Pharynx 9 Mouth 10 Large Intestines 11 Salivary Glands Portion of the digestive system responsible for absorption of water from the indigestible residue of food. Where digestion begins, mastication (chewing) takes place. Muscular tube that contracts in a synchronized fashion (peristalsis) to move food down towards the stomach. Part of GI tract where waste is expelled from the body. Accessory organ of digestion, small pouch that sits just under the liver. Stores bile produced by the liver. Organ lined with villi in the GI tract where most of the absorption of nutrients and minerals from food takes place. Accessory digestive organ, produces bile for fat digestion, stores nutrients, and filters toxins and chemicals. make saliva, which aids in digestion, keeps your mouth moist and supports healthy teeth. Muscular sac that receives food from the esophagus, secretes acid and enzymes creating a thick creamy fluid called chyme. The throat, transition area from the mouth to the esophagus. Accessory digestive organ, produces enzymes that help digestion and hormones that help regulate the way your body processes sugar (glucose).