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Diestive System Quiz

This Quiz presents 20 Questions on the DIgestive System as covered in week 13

QuestionAnswer
What is the main function of the digestive system? To break down food into nutrients the body can absorb and use for energy, growth, and repair.
What is the first organ of the digestive system where digestion begins? The mouth.
Which enzyme in saliva starts breaking down carbohydrates? Amylase.
What is the process of moving food through the digestive tract called? Peristalsis.
What is the name of the muscular tube that connects the mouth to the stomach? Esophagus.
Which sphincter controls food entering the stomach from the esophagus? The lower esophageal sphincter (cardiac sphincter).
What is the main function of the stomach in digestion? To break down food with gastric juices and enzymes, especially proteins.
Which enzyme in the stomach helps digest proteins? Pepsin.
The semi-liquid mixture of partially digested food and stomach juices is called? chyme
Where does most nutrient absorption occur? The small intestine
What are the three parts of the small intestine? Duodenum, jejunum, and ileum.
Which organ produces bile? The liver
What is the function of bile in digestion? To break down fats into smaller droplets
Which organ stores bile before it is released into the small intestine? gallbladder
Which organ produces digestive enzymes and bicarbonate pancreas.
What is the main function of the large intestine? To absorb water and electrolytes and form feces.
What is the final part of the digestive system where waste is expelled? Anus
Name two accessory organs of digestion Liver and pancreas
What is the role of villi in the small intestine? To increase surface area for nutrient absorption
How long does it take for food to pass through the entire digestive system? 24 to 72 hours.
Created by: LizJusu87!
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