13 Questions
What is the total length of the alimentary canal (gastrointestinal tract)?
25-35 feet
Which layer of the alimentary canal wall contains smooth muscle that increases surface area?
Muscularis mucosa
What is the function of the goblet cells in the epithelium layer?
Keep the area moist
Which of the following is NOT an accessory organ of the digestive system?
Pharynx
Which layer of the alimentary canal wall contains blood and lymphatic vessels, as well as glands and nerves?
Submucosa
What is the function of the skeletal muscle at the ends of the alimentary canal?
Control what goes in and out
What is the function of the hepatic portal system?
Carry away absorbed nutrients from the stomach to the liver
Which glands secrete saliva containing IgA, making it antimicrobial?
Salivary glands
What is the function of lingual lipase in digestion?
Convert lipids in the stomach
Which part of the tooth is located within the gum and contains the pulp cavity?
Root
What is the primary role of sphincters in the digestive system?
Separate different sections of the alimentary canal
Which phase of swallowing occurs involuntarily under control of the medulla oblongata?
Pharyngeal phase
What is peristalsis?
Automatic pushing of food through the alimentary canal
Test your knowledge on the anatomy and function of the digestive system, which includes the alimentary canal (Gastrointestinal Tract) and accessory organs. Learn about the different parts of the alimentary canal, its layers, and the role of accessory organs in food digestion.
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