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Mastering Digestion

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Questions and Answers

What is the function of the digestive tract?

To produce hormones for the body

To break down complex organic molecules in food into smaller subunits that can be absorbed into the bloodstream for delivery to cells (correct)

To store excess water in the body

To absorb oxygen from the food

Which layer of the gastrointestinal tract is responsible for secreting mucus?

Mucosa (correct)

Submucosa

Muscularis

Serosa

Which organ is responsible for releasing saliva into the mouth, containing the enzyme, salivary amylase?

Liver

Pancreas

Salivary Glands (correct)

Gallbladder

Which layer of the gastrointestinal tract contains connective tissue with nerves and blood and lymph vessels?

Submucosa (B) Signup and view all the answers

Which organ is responsible for producing bile, which aids in the digestion of fats?

Liver (B) Signup and view all the answers

Which part of the tooth is responsible for covering the crown and is nonliving?

Enamel (C) Signup and view all the answers

What is the function of the tongue?

Helps form food into a bolus for swallowing (B) Signup and view all the answers

What is the function of the pharynx?

It is a passageway shared by respiratory and digestive systems (A) Signup and view all the answers

What is peristalsis?

Contractions that push food through the digestive tract (A) Signup and view all the answers

What is chyme?

A mixture of food and gastric juice (C) Signup and view all the answers

What is the function of the large intestine?

Absorbs most of the water remaining in the indigestible food residue (B) Signup and view all the answers

What is the function of the colon?

Stores and eliminates feces (A) Signup and view all the answers

What is the function of the stomach?

Stores food and regulates its release to the small intestine (C) Signup and view all the answers

What is the function of intrinsic factor in the stomach?

Absorption of vitamin B12 – important in Red Blood Cell development (A) Signup and view all the answers