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Lab 3 - Digestive System
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Lab 3 - Digestive System Questions and Answers 2023 List the 5 stages of digestion. Ans- Ingestion, Digestion, Absorption, Compaction, Defecation True or False: The esophagus is considered a primary organ of the GI tract. Ans- True True or False: The tongue is considered a primary organ of the...

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  • March 29, 2023
  • 4
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

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  • lab 3 digestive system

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Lab 3 - Digestive System Questions and
Answers 2023
List the 5 stages of digestion. Ans- Ingestion, Digestion, Absorption, Compaction, Defecation



True or False: The esophagus is considered a primary organ of the GI tract. Ans- True



True or False: The tongue is considered a primary organ of the GI tract. Ans- False



True or False: Mechanical digestion in the mouth is carried out by way of salivary amylase. Ans- False,
mechanical digestion in the mouth is carried out by the teeth.



What is the function of the structure pictured above specified by the pointer?



(epiglottis) Ans- The function of the epiglottis, which is pictured above, is to prevent food from entering
the airway upon swallowing.



Identify the structure in the picture above, specified by the pointer, then describe its relationship to the
trachea using anatomical terminology.



(esophagus) Ans- The esophagus, pictured above, runs posteriorly to the trachea.



Identify the sphincter pictured above (specified by the arrow and highlighted in blue) and describe its
function.



(pyloric sphincter) Ans- The pyloric sphincter regulates the passage of food from the stomach to the
small intestine. It keeps food from flowing back into the stomach.



Identify the structure in the above picture, specified by the arrow, and describe its function.

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