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Digestive System. By: Rachel Rosenstiel, Katie Jackson, Madison Cook, and Brian Heinzman. Colon (Large Intestine) & Small Intestine. Colon It is shaped like a inverted ‘U’ Located in the abdominal cavity There are three main functions of the colon: Absorb water Stores remaining food
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Digestive System By: Rachel Rosenstiel, Katie Jackson, Madison Cook, and Brian Heinzman
Colon (Large Intestine) & Small Intestine Colon • It is shaped like a inverted ‘U’ • Located in the abdominal cavity • There are three main functions of the colon: • Absorb water • Stores remaining food • Eliminates solid waste from the body SmallIntestine • About six meters long stretched out • Located in the abdominal cavity • The function of the small intestine is to extract the nutrients from food digested • When food is blocked, unable to move, or contains bacteria it causes problems in the small intestine
Stomach & Liver Stomach • Located between the esophagus & the intestines • The function is to digest food taken in • Composed of five layers • Mucosa • Submucosa • Muscularis • Subserosa • Serosa Liver • It weighs about three pounds • Blood is carried to the liver by two large vessels • It has many different functions • Break down fats • Filter harmful substances from blood • Produces cholesterol
Tongue & Teeth Tongue • Located on floor of the mouth • Carries taste buds • Has two main functions • Sends information to the brain from the taste buds about the food being eaten • Pushes the food down the throat to be swallowed Teeth • Located in the mouth • The function of the teeth is to tear and break down food to be swallowed • First in the digestive system
Gall Bladder & Pancreas GallBladder • Shaped like a pear • The gallbladder is located behind the liver on the right side of the rib cage • Stores bile • Bile is an acid that helps break down food Pancreas • Located beneath the stomach and is connected to the small intestine • Helps break down proteins, starch, and fats • Produces enzymes
Esophagus & Salivary Glands Esophagus • Using the coordinated contractions, the esophagus transports food to the stomach • One main function: • To carry food, liquids, and saliva from the mouth to the stomach Salivary Glands • The salivary glands produce saliva • Functions of the salivary glands: • Moistens dry foods so you can swallow it
Pharynx Pharynx • Connects to mouth and nasal chambers • The function is to provide a passageway for air and food. • Also known as: • Nasopharynx- Nasal chambers • Oropharynx- Mouth