The Digestive System

Question 1

What are the functions of the salivary gland? Give 2.

Answer 1

• Grind up food.

- Produce Amylase to start breaking down Carbohydrates in the mouth.

Question 2

What are the functions of the stomach? Give 3.

Answer 2

• The Stomach pummels/churns the food with its muscular walls.
• The Stomach produces the protease enzyme, pepsin.
• The Stomach produces Hydrochloric acid which kills bacteria and provides the protease enzyme with a pH of 2 so it can work.

Question 3

What is the function of the liver? Give 1.

Answer 3

The Liver produces Bile which neutralises stomach acid.

Question 4

What is the function of the Gall Bladder? Give 1.

Answer 4

The Gall Bladder stores Bile before it is released into the Small Intestine.

Question 5

What are the functions of the Pancreas? Give 2.

Answer 5

• Produces Protease, Amylase and Lipase.

- Releases these enzymes int the small intestine.

Question 6

What is the function of the large intestine? Give 1.

Answer 6

It absorbs excess water from food.

Question 7

What are the functions of the Small Intestine?

Answer 7

• Produces Protease, Amylase and Lipase.

- Digested food is absorbed out of the digestive system and goes into the blood.

Question 8

What is the function of the Rectum?

Answer 8

-Where the faeces are stored before they leave via the anus.