How your digestive system works

About how long is 9 meters?  (1 meter is a little bigger than a yard)

•  almost 10 feet

• almost 20 feet

• almost 30 feet

What is another name for the gastrointestinal tract?

• food tract

• digestive tract

What was the term used for the organs outside of the digestive tract, but provide enzymes for the digestive tract?

• peripheral organs

• intestinal organs

The use of saliva to break down food is also known as 

• chemical digestion

• mechanical digestion

The use of your teeth and tongue to break food into smaller particles is know as 

• chemical digestion

• mechanical digestion

What is the name of the tube that goes from the mouth to the stomach?

• trachea

• esophagus

Peristalsis is 

• a series of muscular contractions that cause you to blink.

• a series of muscular contractions that cause the food to move forward in the tube.

The pounding (and grinding) of the bolus (food) by the stomach walls is a form of  

• chemical digestion

• mechanical digestion

The acids and enzymes released from the lining of the stomach to break down foods is referred to as as

• chemical digestion

• mechanical digestion

Pancreas, liver and gall bladder are also know as 

• peripheral digestive organs

• intestinal organs