Digestive system

Front

What is the function of an enzyme?

Back

Enzymes speed up chemical reactions.

Front

What structure transports the bolus from the pharynx to the stomach?

Back

Esophagus.

Front

What are enzymes and acids examples of?

Back

Chemical digestion.

Front

What prevents gastric juices from flowing back into the esophagus?

Back

Cardiac sphincter.

Front

What types of digestion occur in the stomach?

Back

Both Chemical and Mechanical.

Front

What is the primary role of the stomach in digestion?

Back

To break down food using acids and enzymes.

Front

What is mechanical digestion?

Back

The physical breakdown of food into smaller pieces.

Front

What is chemical digestion?

Back

The breakdown of food into simpler nutrients by enzymes and acids.

Front

What is the role of saliva in digestion?

Back

Saliva contains enzymes that begin the breakdown of carbohydrates.

Front

What is the function of the small intestine?

Back

To absorb nutrients from digested food.