APP Exercise – Digestion

Matching. Match the following digestive processes with its description.

food is broken down by enzymes into its simplest building blocks

elimination of indigestible material as solid waste

taking food into the mouth   

physical breakdown of food into smaller pieces

moving food from one organ to the next

end products of digestion enter the blood stream

Fill in the blank.

Carbohydrate digestion begins in the __.    

Lipid digestion begins in the __.

Protein digestion begins in the __.   

All digestion is completed in the __.

Which of the following is NOT part of the alimentary canal?

Which of the following events does NOT occur in the mouth?

Which of the following is NOT true of the stomach?

Which of the following is NOT matched correctly?

Which of the following statements is NOT true?

Matching. Match the facts to the correct structure. Some answers will be used more than once.

initiates protein digestion     

forms a bolus of partially digested food

nutrients enter the bloodstream      

no digestion or absorption occurs

HCl turns pepsinogen into pepsin     

conducts food bolus by peristalsis

salivary amylase begins carbohydrate digestion

forms feces

teeth and tongue accomplish mechanical digestion

secretes gastric juice