lecture 16

Question 1

the name for the first part of the small intenstine and its function

Answer 1

Doudenum:
it receives partially digested food from the stomach and complete the digestive process

Question 2

the name for the second part of the small intenstine and its function

Answer 2

jejunum:
it absurbs the nutriens

Question 3

the name for the third part of the small intenstine and its function

Answer 3

ileum:
it absorbs vitamin B12, bile salts and remainder of nutrients

Question 4

what type of muscle does the small intestine have

Answer 4

smooth muscle

Question 5

what and where is the submucosa

Answer 5

its a layer of loose connective tissue located beneath the mucosa. It’s a supporting layer that provides structure and contains blood vessels

Question 6

what muscle is placed along the walls of the digestive tract

Answer 6

muscularis externa

Question 7

what type of muscle is the musucularis externa

Answer 7

smooth muscle

Question 8

what is the digestive tract

Answer 8

a long, hollow tube that extends from the mouth to the anus

Question 9

what is the name for the outer liner of the digestive tract

Answer 9

serosa

Question 10

what is the plicae circulares

Answer 10

its the folds of the mucosa and submucosa found in the small intestine