stomach

Question 1

what is the definition of the stomach?

Answer 1

the stomach is a muscular bag that can be stretched

Question 2

what is the function of the stomach

Answer 2

it functions in temporarily storing food, where it can stretch and accommodate food, it functions in carrying out digestion

Question 3

what is the definiton of chyme?

Answer 3

it is a mixture of ingested food and gastric juice

Question 4

what does the inactive pepsinogen function?

Answer 4

it is secreted into the lumen in the inactive form to prevent the protease in the stomach from digesting the cells that secrete the protease, as well as the walls of the stomach

Question 5

what is the function of active pepsin, along with hydrochloric acid?

Answer 5

they catalyse the hydrolysis of proteins into polypeptide, by killing bacteria ingested with food, and denatures proteins in food causing them to unfold and expose their peptide bonds for protein hydrolysis

Question 6

what are the cells that produce components of gastric juice?

Answer 6

parietal cells, goblet cells and chief cells