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Digestive System

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Questions and Answers

What is the primary function of mechanical digestion?

Breaking chemical bonds within food molecules

Absorbing molecules through the digestive tract lining

Physically mashing up food (correct)

Regulating the movement of food through the digestive tract

What is the term for the rapid movement of contents through the digestive tract?

Defecation

Absorption

Ingestion

Propulsion (correct)

What is the outermost layer of the alimentary canal wall?

Muscularis externa

Serous membrane (correct)

Submucosa

Mucous membrane

What is the function of the salivary glands in the digestive system?

To produce saliva for chemical digestion Signup and view all the answers

Which layer of the alimentary canal wall contains capillaries and other small blood vessels?

Lamina propria Signup and view all the answers

What is the term for the removal of feces from the body?

Defecation Signup and view all the answers

What type of epithelium lines the mouth?

Stratified squamous Signup and view all the answers

In which type of contraction do ring-like contractions move from one end of the tube to the other?

Peristaltic Signup and view all the answers

What is the function of the papillae on the tongue?

To manipulate food during mastication Signup and view all the answers

Which type of muscle is the tongue primarily composed of?

Skeletal muscle Signup and view all the answers

What is the primary function of the hard palate?

To separate the nasal and oral cavities Signup and view all the answers

What is the function of the vestibule in the mouth?

To create a gutter between the gums and cheeks Signup and view all the answers