function of digestion 3 Flashcards
1
Q
once in the stomach what continues
A
digestion
2
Q
what is the stomach
A
sac made up of smooth muscles
3
Q
what do stomach muscles do
A
mechanically breaks down food even further and mix with secretions to form a substance called chyme
4
Q
what are the 3 main secretions of the stomach
A
mucus
hydrochloric acid
pepsinogen
5
Q
what does mucus do in the stomach
A
lines the stomach
6
Q
what does hydrochloric acid do in the stomach
A
creates acidic environment
7
Q
what happens to pepsinogen in the stomach
A
converts to pepsin
8
Q
what is pepsin
A
enzyme that helps chemically digest proteins in this acidic environment
9
Q
what happens to chyme
A
pushed into small intestine