Gastrointestinal system - Path of Food

Question 1

What does saliva breakdown in the mouth?

Answer 1

Begins to breakdown carbohydrase and lipids

Question 2

How does the bolus pass through the oesophagus?

Answer 2

Peristalsis and gravity

Question 3

What are the two ways, the stomach breaks down food?

Answer 3

Chemical via the bile and mechanical via contractions to churn the food

Question 4

What is a bolus called after it has reached the stomach?

Answer 4

Chyme

Question 5

How is the chyme, alkalised after the stomach?

Answer 5

In the duodenum, alkali fluids from the liver bile and pancreas mix with the chyme

Question 6

What does the liver bile do?

Answer 6

Digest fats

Question 7

Where does most chemical breakdown of food occur?

Answer 7

Small intestine

Question 8

Where does food enter after the small intestine?

Answer 8

Large intestine

Question 9

What does the large intestine do?

Answer 9

mechanical movement of the bolus, and absorption of the water

Question 10

What is the order of parts of the large intestine?

Answer 10

Cecum, ascending colon, transverse and descending colon, sigmoid and rectum