Digestive system

What does ingestion mean? 

• Taking food in via the mouth
• Taking food in via the stomach

What does digestion mean? 

• Passing of nutrients through the intestinal wall 
• Mechanical and chemical breakdown of food

What does absorption mean?

• Passing of nutrients through the intestinal wall 
• Mechanical and chemical breakdown of food 

What is an example of mechanical digestion?

• Churning of the stomach 
•  Saliva 

What is an example of chemical digestion? 

• Bile 
• Amylase 

What does elimination mean? 

• Removal of undigested waste 
• Ejecting matter of the stomach 

What does emulsify mean? 

• To disperse the particles of one liquid evenly 
• To suspend material within a solid 

What is an enzyme?

• A protein 
• A living single organism

What does a catalyst do?

• A substances that speeds up chemical  reactions 
• A thing that precipitates an event 

Where is water absorbed?

• In the large intestine
• In the small intestine