Breaks down food into nutrients needed for metabolic processes, such as making ATP.
Alimentary canal and accessory digestive organs.
Ingests, digests, absorbs, and defecates.
Alimentary canal.
Mouth, pharynx, esophagus, stomach, small intestine, large intestine.
Mixes food with saliva and initiates swallowing.
Dangles from the posterior edge of the soft palate.
Paired masses of lymphatic tissue at the posterior end of the oral cavity.
Nasopharynx, oropharynx, laryngopharynx.
Gullet.
Mucosa, submucosa, muscularis externa, serosa.
A thick heavy cream-like substance that occurs after food has been processed in the stomach.
Duodenum, jejunum, ileum.
Pyloric sphincter.
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Explore the anatomy and physiology of the digestive system, including the alimentary canal and accessory organs. Learn how food is ingested, digested, absorbed, and eliminated, along with the roles of various organs like the mouth, stomach, and intestines.
1. Which layer of the alimentary canal wall contains blood vessels and nerve endings?
2. What is the function of the pyloric sphincter?
3. What are villi in the small intestine?
4. Which structure in the large intestine is prone to bacterial accumulation and inflammation?
5. What is the primary function of bile produced by the liver?
6. What is the role of the pancreas in digestion?
7. What is the primary function of the digestive system?
8. Which of the following is NOT an organ of the alimentary canal?
9. What is the role of the tongue in the digestive process?
10. Where does most digestive activity occur in the stomach?
The digestive system is essential for breaking down food into nutrients that fuel the body and eliminate waste. It consists of various structures, including the alimentary canal and accessory organs, which work together to facilitate digestion and absorption.
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