4/1: Digestive System Practice Questions

Front

What is peristalsis?

Back

The involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward.

Front

Where is bile stored?

Back

Bile is stored in the gallbladder.

Front

Which organ produces bile?

Back

The liver produces bile.

Front

Where does chemical digestion begin?

Back

Chemical digestion begins in the mouth.

Front

What is the sigmoid colon?

Back

The portion of the large intestine located between the descending colon and the rectum.

Front

What is the function of the gallbladder?

Back

The gallbladder stores and concentrates bile.

Front

What role does the liver play in digestion?

Back

The liver produces bile, which helps in the digestion of fats.

Front

What is mechanical digestion?

Back

The physical breakdown of food into smaller pieces, which occurs in the mouth and stomach.

Front

What is chemical digestion?

Back

The process by which food is broken down into simpler nutrients that can be used by the body, primarily through enzymes.

Front

What is the role of enzymes in digestion?

Back

Enzymes are proteins that speed up chemical reactions, including the breakdown of food into nutrients.