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Digestive System

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by

Laurel McKay

on 4 September 2012

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Transcript of Digestive System

Pancreas Mouth Esophagus Small Intestine STRUCTURE-
Size- 5cm
Shape- J shaped
Location-below stomach STRUCTURE-
Size- 20 feet long on average
Shape- narrow tube
Location- after stomach, before large intestine

FUNCTIONS-
digests food in first part
absorbs food in second part STRUCTURE-
Size- 10in long
Shape- narrow tube
Location- after throat Large Intestine FUNCTIONS-
produces hormones to regulate blood
produces enzymes to break down carbs, proteins, lipids, nucleic acids
produces sodium bicarbonate to neutralize stomach acids Stomach STRUCTURE-
Size- 12 in long and 6 in wide
Shape- C shaped
Location- after esophagus STRUCTURE-
Size- 5 feet long on average
Shape- narrow tube
Location- after small intestine, before rectum

FUNCTIONS-
removes excess water from waste
absorbs vitamin B12 Liver FUNCTIONS-
pushes food down
Para stasis FUNCTIONS-
Breaks down food
Digest proteins STRUCTURE-
Size-women: 7cm men: 10.5cm
Shape- pear shaped
Location- situated under the diaphragm and above the stomach FUNCTIONS-
produces bile
removes hormones and toxins
has four lobes STRUCTURE-
Size- 2.5 inches tall, 2 inches wide
Shape- cave shaped
Location- lower part of skull

FUNCTIONS-
chemical digestion using saliva
mechanical digestion by chewing COOL FACTS- BRAIN POP-
http://www.brainpop.com/health/bodysystems/digestivesystem/ Pharynx Whole process of digestion takes two to three days to complete
Large Intestine is shorter than Small Intestine
Gets its name from its width Gall Bladder "Digestive System." ThinkQuest. Oracle Foundation, n.d. Web. 31 Aug. 2012. <http://library.thinkquest.org/J0112390/digestive_system.htm>. FUNCTIONS-
Pushes food to esophagus
Stops air when you chew STRUCTURE-
Size- 5 in long
Shape- Cone shaped
Location- Between mouth and throat STRUCTURE-
Size- 8 cm across, 4 cm down
Shape- pear shaped
Location- behind Liver FUNCTIONS-
store bile between meals
propels bile to small intestine to help with absorption of fat Jimmy Stracey, Sam Sullivan, Laurel McKay, Brent Bailey DIGESTIVE SYSTEM Function of Digestive
System Mouth, Pharynx, Esophagus, Stomach, Small Intestines, Large Intestines, Pancreas, Liver and Gallbladder Circulatory System Links to Digestive System breakdown of food chemically and mechanically to be absorbed so the body can use it to provide energy Respiratory system Immune System Link between Organs Provides fuel for muscle contractions Digestive system defuses nutrients from food Nutrients sent to organs through circulatory Helps protect digestive system from bacteria linked in a continuous line
linked in a tube-like manner
food passes from organ to organ
Full transcript