Digestive System

Front

What is the main purpose of the digestive system?

Back

To provide you with nutrients and energy.

Front

What is the flap of cartilage that closes over the opening to the respiratory tract as you swallow?

Back

Epiglottis.

Front

Which organ churns food and uses acid and enzymes to break down food?

Back

Stomach.

Front

What is the series of involuntary smooth muscle contractions along the walls of the digestive tract?

Back

Peristalsis.

Front

Where does digestion begin?

Back

Mouth.

Front

What is the role of the stomach in digestion?

Back

The stomach churns food and uses acid and enzymes to break it down.

Front

What is peristalsis?

Back

Involuntary smooth muscle contractions that move food through the digestive tract.

Front

What is the function of the esophagus?

Back

To transport food from the mouth to the stomach.

Front

What enzyme in saliva begins the digestion of carbohydrates?

Back

Amylase.

Front

What is the small intestine's role in digestion?

Back

To absorb nutrients from digested food.