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The Digestive System

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megan hyde

on 6 September 2012

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Transcript of The Digestive System

-Teeth: Breaks food into pieces
-Salivary Glands: Secretes a mixture of mucus and serous to help the teeth break down food to swallow
Parotid Gland
Sublingual Gland
Submandibular Gland
-Tongue-taste buds, muscles push food down the esophagus Teeth, Salivary Glands, and Tongue -Pharynx: passageway leading from mouth to esophagus. Allows solids and liquids into esophagus
Oral Pharynx
Nasal Pharynx
Laryngeal Pharynx
-Esophagus: carries food and saliva from mouth to stomach. muscle contractions- "sphincters" Pharynx and Esophagus Liver Liver and Gallbladder "container"of food
Physical Breakdown
Chemical Breakdown Stomach Produces Enzymes Pancreas Colon(Large Intestine)-inverted U, abdominal cavity
maintains body's fluid balance
accepts and stores food remains
eliminates waste Large and Small Intestines last section of large intestine
passes feces out body Anus Alimentary Canal- consists of mouth, pharynx, esophagus, stomach, small and large intestines
Digestion: mouth->pharynx->esophagus-> stomach->small intestine->large intestine-> anus
Small Intestine connects to large intestine and stomach Connections in System The pharynx also conducts air to and from the trachea in respiration
Taste buds on tongue connect to nerves running into brain
Pancreas produces: Insulin and Glucagon Connections with other Systems Absorption of Nutrients
Chemical "Factory"
Produces Bile Documentation of Sources Cleveland Clinic.The Structure and Function of the Digestive System [Internet],[updated 2009 July 01, accessed 2012 August 03] Available from: http://my.clevelandclinic.org/anatomy/digestive_system/hic_the_structure_and_function_of_the_digestive_system.aspx
Marieb, Elaine N. 2009. Essentials of Human Anatomy and Physiology. 9th Edition. San Francisco: Pearson Benjamin Cummings;
Johns Hopkins Medicine. The Pancreas [Internet],[updated 2011 June 03, accessed 2012 September 04] Available from: http://pathology.jhu.edu/pc/BasicOverview1.php Gallbladder under liver
digests fats
stores & concentrates bile
connects through tubes(bileducts) Small intestine
three segments
duodenum-break down food
jejunum & ileum-absorb nutrients into blood stream
pass solid waste http://highered.mcgraw-hill.com/sites/0072495855/student_view0/chapter26/animation__organs_of_digestion.html University of Maryland Medical Center. Normal Function of the Esophagus [Internet], [updated 2008 October 01, accessed 2012 September 04] Available from: http://www.umm.edu/gi/function_esophagus.htm
Britannica Encyclopedia. Pharynx [Internet], [2012, Accessed 2012 September 04] Available from: http://www.britannica.com/EBchecked/topic/455238/pharynx
AboutGastro. Digestive System: Tongue. [Internet], [updated 2011 Jul 16, accessed 2012 August 31] Available from: http://www.aboutgastro.com/digestive-system/tongue Megan Humphries,
Sarah Hyde, and
Carley Border
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