Year 11 Digestive System

Recall which part of the digestive system is indicated by the red arrow in the picture below.

• Liver

• Rectal Cavity

• Small Intestine

• Large Intestine

Identify what part of the digestive system is described in the following statement below.

"Stores food, and mixes it with gastric acid."

• Oesophagus

• Stomach

• Rectal Cavity

• Oral Cavity

Determine what is the labelled structure and explain its function.

Recall what mechanical digestion is.

• Where you replace part of your digestive tract with complex machinery

• The act of drinking special chemicals after a meal to aid your digestion

• The process of physically breaking up food into smaller pieces

• The process of converting large complex food molecules into simpler molecules

Cheese fondue is a popular dinner dish in some countries. In the small intestine, the fat from the cheese is converted into simpler fatty acids and glycerol.

Identify which type of digestion this is.

• Mechanical

• Chemical

Recall what type of molecule enzymes are.

• Proteins

• Carbohydrates

• Nucleic Acids

• Lipids

Recall why we need to break down macromolecules into monomers during digestion.

• To allow the molecules to be absorbed

• To release energy by respiration

• To help the molecules move down the gut

• To product heat to keep us warm

Recall what type of enzyme breaks down starch into sugars

• Lipase

• Protease

• Amylase

• Nuclease

Recall what lipids are.

Select ALL correct options

• Fats

• Carbohydrates

• Sugars

• Oils

What is the primary function of the digestive system

• Respiration

• transportation of blood

• breaking down food for absorption

• regulation of body temperature