digestion/nutrition

Types of digestion.

• Mechanical and Thermal
• Chemical and Mechanical
• Thermal and Chemical
• Mechanical and Physical 

Function of the esophagus. 

• Mixes stomach acid with food.  
• Creates bile for digestion.
• Removes water from food.  
• Carries food to the stomach.  

Function of the digestive system.

• To send signals to communicate with the rest of the body.  
• Circulate oxygenated blood around the body.  
• Breakdown and absorb nutrients and produce liquid waste.  
• Break down and absorb nutrients and produce solid waste.  

Location of chemical digestion

• Mouth and Esophagus 
• Stomach
• Large Intestine and Small Intestine
• Mouth, Stomach and Small Intestines

The stomach pushing and churning food is...

• physical/mechanical
• chemical
• both
• neither

Where does digestion begin?

• In the small intestine
• In the mouth
• In the throat
• In the stomach

Saliva breaking down carbohydrates into sugars is...

• physical/mechanical
• chemical

Chewing and tearing apart food into smaller pieces is...

• physical/mechanical
• chemical

This enzyme digests carbohydrates

• Protease
• Amylase
• Lipase
• Bile

This enzyme digests proteins.

• Pepsinogen
• Carbohydrase
• Lipase
• Bile