Digestive system and Enzymes

What is starch eventually broken down into which is small enough to be absorbed into the blood?

• Lactose

• Maltose

• Glucose

• Fructose

Which of these sentences describes the Oesophagus?

• Muscular bag containing acid. Food in here is churned into chyme.

• Enzymes and bile act on food here to digest it further. Nutrients and minerals are absorbed into the blood stream from here

• Muscular tube that food travels down from mouth to stomach. Peristalsis pushes food through here.

• A substance produced by a living organism that allows a specific biochemical reaction to happen.

Describe one way in which bacteria in your intestines are helpful

Intestinal Juices in the small intestine contain digestive enzymes which digest starch into______________________,fats into_____________________ and _____________________.

Which of the following conclusions can be drawn from the graph?

• The optimum pH of the enzyme is at 6.6.

• The enzyme's activity increases as pH increases from 5.0 to 9.0.

• The optimum pH of enzyme is 5.0.

• The enzyme's activity is greater around pH of 8.0.

A sandwich made of Bread, butter and Chicken will be digested in which parts of the digestive system?(Hint: There can be more than one site of digestion)

Voluntary act that involves the intake of solid or liquid food.

• Digestion

• Excretion

• Egestion

• Ingestion

Why is a dietary fiber a non-nutrient?

With relate to digestion and absorption processes of food:

• Digestion is a chemical and a mechanical breakdown of food.

• Digestion is produced by the action of enzymes that are present in all length of GIT except in the mouth.

• No absorption occur in small intestine

• None of the above