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Function of the Digestive System

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Questions and Answers

What is the primary function of the digestive system?

To break down food and absorb nutrients (correct)

To pump blood throughout the body

To supply oxygen to the body

To regulate hormone production

Which part of the digestive system is described as the "workhorse" where most digestion occurs?

Liver

Pancreas

Small intestine (correct)

Stomach

How does the digestive system interact with the cardiovascular system?

The digestive system regulates blood flow to the heart

The cardiovascular system absorbs nutrients from the digestive system

The cardiovascular system supplies oxygen and nutrients to the digestive organs (correct)

The digestive system provides oxygen to the cardiovascular system

Where are the nutrients from the intestinal veins processed before returning to the heart?

Liver Signup and view all the answers

Which systems interact with the digestive system in controlling digestion and nutrient metabolism?

Endocrine and cardiovascular systems Signup and view all the answers

What does the text suggest about the body systems working together?

The systems work cooperatively with each other Signup and view all the answers

Which of the following statements about the epithelium of the alimentary canal is correct?

It contains goblet cells that secrete mucus and fluid into the lumen. Signup and view all the answers

What is the primary function of the lamina propria?

To transport nutrients absorbed through the alimentary canal to other parts of the body. Signup and view all the answers

Which of the following is NOT a layer of the alimentary canal wall?

Dermis Signup and view all the answers

What is the primary function of the muscularis mucosae?

To facilitate the movement of food through the alimentary canal. Signup and view all the answers

Which of the following statements about the epithelial cells of the alimentary canal is correct?

They have a very brief lifespan, ranging from a couple of days to about a week. Signup and view all the answers

What is the primary function of the mucosa-associated lymphoid tissue (MALT)?

To serve an immune function by housing clusters of lymphocytes. Signup and view all the answers