Digestive System

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

• stomach

• esophagus

• mouth

• epiglottis

What is the function of the teeth and tongue

• chemical digestion

• break down food

• mechanical digestion

• they only chew food

Nutrients from digested food are absorbed in which digestive organ?

• Small Intestine
• Stomach
• Large Intestine
• Gallbladder

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

• Mechanical digestion
• Chemical digestion

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.

What does saliva do?

• Chemically digests food in the mouth.
• Chemically digests food in the stomach
• Protects the stomach from digesting iteself
• Absorbs nutrients from food so the body has energy.

The tube after the small intestine where water is absorbed.

• large intestine

• small intestine

• rectum

• stomach

A large organ of the digestive system that makes chemicals (bile) to help the body break down fats and rid itself of harmful substances.

• esophagus

• mouth

• liver

• stomach

The place where waste is stored before it leaves the body.

• rectum
• anus
• small intestine
• large intestine

Place the following events in sequence:

A) Food enters your large intestines

B) Food enters your small intestines

C) Food enters your esophagus

• A, B, C

• C, B, A

• C, A, B

• B, A, C