Digestive System

A fluid in the mouth that helps digest food.

• pepsin
• pepsi
• saliva
• salty

• esophagus
• liver
• stomach
• pancreas

• stomach
• pancreas
• large intestine
• small intestine

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

• Mechanical Digestion
• Chemical Digestion

Gastric juices in the stomach digest food into a thick liquid.  This is...

• Mechanical digestion
• Chemical digestion

Where does digestion begin?

• Our teeth

• Our stomach

• The esophogus

• Small intestines

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

• esophagus
• small intestine
• stomach
• mouth

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.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

• swallowing

• peristalsis

• inertia contractions

• paralysis

Where does the absorption of nutrients from food take place?

• stomach

• liver

• small intestine

• large intestine