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Anatomy of the Digestive System

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Questions and Answers

Why is the inner lining of the lips different from the outer lining?

Outer lining protects against mechanical stress (correct)
Outer lining has more blood vessels for temperature regulation
Inner lining is more resistant to bacterial infection
Inner lining allows for better taste sensation

What is the role of the stomach in the digestive system?

Mechanical breakdown of food (correct)
Absorption of nutrients
Storage of excess water
Production of bile

What is the function of the liver in the digestive system?

Production of bile for fat digestion (correct)
Absorption of water and minerals
Secretion of enzymes for protein breakdown
Production of insulin for blood sugar regulation

Where does digestion begin in the digestive system?

Oral cavity (B) Signup and view all the answers

Which accessory organ of the digestive system is involved in producing digestive enzymes?

Pancreas (D) Signup and view all the answers

What is the primary function of the papillae on the tongue?

To increase the surface area of the tongue for better taste detection. (A) Signup and view all the answers

What is the primary difference between the epithelium on the dorsal and ventral surfaces of the tongue?

The dorsal surface has a keratinized epithelium, while the ventral surface has a non-keratinized epithelium. (D) Signup and view all the answers

Where are the majority of taste buds located on the tongue?

On the fungiform and foliate papillae. (B) Signup and view all the answers

What is the function of the serous (von Ebner's) glands located in the connective tissue beneath the circumvallate papillae?

To produce saliva that helps dissolve and detect taste molecules. (A) Signup and view all the answers

What is the primary function of the skeletal muscle fibers in the tongue?

To provide increased movement and flexibility during chewing, swallowing, and speaking. (A) Signup and view all the answers

What is the primary difference between the filiform and fungiform papillae on the tongue?

The filiform papillae are more numerous and smaller, while the fungiform papillae are less numerous but larger. (C) Signup and view all the answers

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