16 Questions
Which part of the digestive system is responsible for the movement of food from the mouth to the stomach?
Esophagus
During the voluntary stage of swallowing, which action occurs?
Chewing
Which part of the digestive system is composed of smooth muscle and serves as a passageway for the bolus?
Pharynx
What is the function of the gastric glands in the stomach?
Secrete gastric juice and protective mucus
Which part of the alimentary canal stores up to 4 liters of food?
Stomach
What is the role of gastrin in the digestive system?
Regulates gastric acid secretion
Which hormone stimulates the gallbladder to contract and release bile into the small intestine?
Cholecystokinin
What is the function of the enterogastric reflex?
Inhibits stomach motility and secretion
Which part of the small intestine is responsible for most absorption?
Jejunum
What initiates the gastrocolic reflex that leads to bowel movements after eating?
Arrival of food in the stomach
What is the composition of saliva in the digestive system?
95% H2O, 5% electrolytes
Which gland is the largest and located inferior and anterior to the ears?
Parotid glands
Where are taste buds mainly located in the mouth?
On the tongue
Which organ releases hormones like insulin and glucagon?
Pancreas
What is the functional unit of the liver?
Lobule
How many teeth are there in the permanent dentition, including premolars and molars?
32 teeth
Test your knowledge of the anatomy and functions of the digestive system, including the regions of the gallbladder, the process of swallowing, and the structure of the esophagus. Identify key structures and stages involved in digestion.
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