Digestive System

Question 1

What is the function of the mouth

Answer 1

Moistens food so it moves more easily through you oesophagus into your stomach

Question 2

What is the function of the oesophagus

Answer 2

Transports food entering the mouth through the throat and into the stomach

Question 3

What is the function of the stomach

Answer 3

Holds the food and mixes it with acid and enzymes that continue to break down the food into a liquid or paste

Question 4

What is the function of the pancreas

Answer 4

Creates natural juices called pancreatic enzymes to break down foods

Question 5

What is the function of the liver

Answer 5

To make and secrete bile and to process and purify the blood containing newly absorbed nutrients that are coming from the small intestine

Question 6

What is the function of the duodenum and ileum

Answer 6

Helps to further digest food coming from the stomach

Question 7

What is the function of the colon

Answer 7

Removes water and some nutrients and electrolytes from partially digested food

Question 8

What is the function of the gall bladder

Answer 8

Stores bile, its produced by the liver to help us digest fat

Question 9

What is the function of the bile duct

Answer 9

Breaks down fat in the food you’ve eaten

Question 10

What is the first steps in carbohydrate digestion and absorption

Answer 10

In the mouth salivary amylase hydrolyses the glycosidic bonds between the starch molecule to produce maltose. Salivary amylase in the mouth also contains mineral salts to maintain pH

Question 11

What is the second step in the digestion and absorption of carbohydrates

Answer 11

Salivary amylase is denatured in the stomach and stomach acid break down takes over

Question 12

What is the third step in the digestion and absorption of carbohydrates

Answer 12

As the chyme is moved from the stomach into the small intestine pancreatic amylase is then added along with bile to maintain pH

Question 13

What is the fourth step in the a digestion and absorption of carbohydrates

Answer 13

Epithelial cells lining the ilium contain the enzyme Maltase, a disaccharidase in their
membranes.

Question 14

What is the fifth step of carbohydrate digestion and absorption

Answer 14

The maltose hydrolyses the disaccharide into alpha glucose which is then drawn into

Question 15

Which part of the small intestine is primarily responsible for nutrient absorption

Answer 15

Ileum