Oral Cavity - Food is physically broken down during chewing by the teeth, digestive enzymes in saliva start the breakdown of carbohydrates, Esophagus - Food tube that carries food between the pharynx and the stomach, Stomach - Large muscular sac that is responsible for storing food, secreting enzymes, and mixes food, Liver - Produces bile which helps break down lipids, Pancreas - Produces many digestive enzymes such as pancreatic amylase and lipase which enter into the small intestine, Small Intestine - Long, coiled tube where most of the chemical digestion and absorption of food occurs, Large Intestine - Reabsorption of water; prepares waste for elimination out of the body, Salivary Glands - Glands of the mouth that produce saliva which contains water to moisten and soften food and amylase, Pharynx - Commonly known as the throat; serves as a passageway for food to the esophagus, Gallbladder - A muscular sac attached to the liver that stores bile until needed for digestion, Rectum - A short tube at the end of the large intestine where waste material is compressed into a solid form before being eliminated, Anus - A muscular opening at the end of the rectum through which waste material is eliminated from the body, Appendix - Vestigial structure that no longer plays a vital role in humans, attached to the large intestine, Cardiac Sphincter - Located at the base of the esophagus and functions to prevent food materials from entering the esophagus from the stomach, Pyloric Sphincter - Ring of muscle that guards the opening between the stomach and the duodenum (first part of the small intestine),

Digestive System Structures & Functions

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