Absorption and elimination: large intestine

Question 1

Where does the large intestine start?

Answer 1

lower right of abdominal cavity when ileum joins caecum – ileocecal sphincter

Question 2

Where does the large intestine finish?

Answer 2

at anus

Question 3

What are the sections of the large intestine?

Answer 3

Caecum
Colon – Ascending, transverse, descending
Rectum
Anal canal

Question 4

Describe the structure of the wall of large intestine

Answer 4

same basic structure
no villi
longitudinal muscle not evenly distributed – creates haustra (pouch like)

Question 5

What are mucosa

Answer 5

tubular glands of goblet cells-secretion of mucus

Question 6

What do mucosa do?

Answer 6

secretion of mucus

Question 7

Describe the chyme in the large intestine

Answer 7

undigested or non absorbed material

Question 8

What do water electrolytes

Answer 8

mucus bacteria

Question 9

What does some bacteria use?

Answer 9

cellulose as an energy source

Question 10

The function of the digestive system can be divided into what 5 headings

Answer 10

Ingestion
Propulsion
Digestion
Absorption
Elimination