Unit 3: Digestive System

Reorder the following. Put these in order that food follows as it passes through the digestive system.

• stomach

• esophagus

• small intestine

• large intestine

• mouth

The ​ (a)   is where nutrients are absorbed into the bloodstream.

• small intestine
• large intestine
• stomach
• esophagus

What is the function of the digestive system?

• to break down food and absorb nutrients

• to support and protect our bodies
• to produce vitamin D
• to help us move

majority of nutrients are absorbed here

• Small Intestine
• Stomach
• Pancreas
• Esophagus

What are these structures call that are found on the lining of the small intestine?

• Gallbladder

• Villi

• Sphincter

• Duodenum

The muscular tube that moves food from the mouth to the stomach?

• esophagus
• small intestine
• stomach
• mouth

The organ where food doesn't pass through but it does break down fats and detoxify poisons?

• liver
• small intestine
• stomach
• large intestine

Enzymes and acids are examples of 

• mechanical digestion
• chemical digestion

Chewing, grinding, and churning are examples of...

• mechanical digestion
• chemical digestion

What do the villi do?

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