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EASWARI S.V.PNATURAL SCIENCEREG NO:-181/13376011
NEW B.Ed COLLEGE ,NELLIMOODUNEW B.Ed COLLEGE ,NELLIMOODU
MOVEMENT OF FOOD THROUGH OESOPHAGUS
The chewed food in the mouth Pharynx
Uvula Epiglottis
Prevent food from entering nasal cavity
Prevent food from entering trachea
•The Oesophagus is surrounded at the top and bottom by two muscular rings
•1. upper esophageal sphincter 2. lower esophageal sphincter,
•Act to close the esophagus when food not being swallowed
•The Oesophageal sphincters are functional, but not anatomical sphincters, meaning that they are sections of the esophageal wall that act as a sphincter, but do not have distinct thickenings like other sphincters
•The Oesophagus is surrounded at the top and bottom by two muscular rings
•1. upper esophageal sphincter 2. lower esophageal sphincter,
•Act to close the esophagus when food not being swallowed
•The Oesophageal sphincters are functional, but not anatomical sphincters, meaning that they are sections of the esophageal wall that act as a sphincter, but do not have distinct thickenings like other sphincters
Food reaches the stomach in 8 sec
storedstored
Digestion completes in stomach in 4-5
hours
Digestion completes in stomach in 4-5
hours
Continous movement
Grinds & mixes food throughly
Mechanical digestion
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