Structures and Function of the Digestive System

What is the main purpose for the digestive system ?

• to protect your organs

• to provide you with nutrients and energy

• to pump blood and transport oxygen through your boby

• to control breathing

What is the function of the teeth and tongue

• chemical digestion

• break down food

• mechanical digestion

• they only chew food

chemical used to digest food

• enzyme

• saliva

What are the steps of the digetive process?

• Digestion in the small intestine, chewing, in the stomach, absorption and waste elimination.

• Chewing, digestion in the stomach, digestion in the small intestine, absorption and waste elimination.

• Chewing, digestion in the stomach, waste elimination, absoption and digestion in the small intestine.

Enzymes (chemicals) in your saliva help break down food while chewing.  This is...

• Mechanical digestion
• Chemical digestion

The chewing and grinding of food into smaller pieces is an example of...

• Mechanical Digestion
• Chemical Digestion

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

• stomach

• esophagus

• mouth

• epiglottis

Nutrients from digested food are absorbed in which digestive organ?

• Small Intestine
• Stomach
• Large Intestine
• Gallbladder

Food travels down the esophogus to the_______.

• Gull bladder

• Mouth

• Stomach

• Small intestine

What connects the mouth to the stomach

• epiglottis

• pylorus

• esophagus

• tongue