9-1 The digestive system and enzymes

Identify the organ in the image

• Stomach

• Pancreas

• Liver

• Small intestine

Identify the enzyme that digests starch

• Lipase

• Protease

• Amylase

• Bile

Where in the digestive system does the digestion of starch begin?

• Small intestine

• Stomach

• Large intestine

• Mouth

State the name of the enzyme that digests fats

Proteins are digested in to which smaller molecules?

• Glucose

• Fatty acids

• Amino acids

• Glycerol

Identify the organ that stores bile

• Liver

• Gall bladder

• Pancreas

• Stomach

What term describes the activity of bile in breaking down large droplets of fat into form small droplets which increases the surface area?

Identify the organ with a very large surface area where most of the absorption of the products of digestion occurs

• Stomach

• Small intestine

• Large intestine

• Oesophagus

Identify the organ in the image that produces several different enzymes

• Pancreas

• Large intestine

• Liver

• Gall bladder

State the missing word: the ‘.... and key theory’ is a

simplified model to explain enzyme action.