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8/18/2019 Presentation3 SCIENCE
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OESOPHAGUS
• Digested food is shaped into a bolus by toand swallowed.
• The bolus moves down the oesophagus inli!e a"tion "alled pe#istalsis.
• Pe#istalsis o""u#s when the oesophagus w"ont#a"tsand #ela$es alte#nately.
8/18/2019 Presentation3 SCIENCE
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%mpo#tants• The oesophagus seems to have only one impo#tant f
in the body to "a##y food& li'uids& and saliva f#om thmouth to the stoma"h. The stoma"h then a"ts as a"ontaine# to sta#t digestion and pump food and li'uidthe intestines in a "ont#olled p#o"ess.
8/18/2019 Presentation3 SCIENCE
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THE E(D