Biology, asked by sarojini1986ede, 9 months ago

how do ulcers occur in alimentary canal

pls answer fast​

pls help me by giving proper answer

Answers

Answered by sangamsurendras
0

Answer:

pylori bacteria weaken the protective mucous coating of the esophagus, stomach, or duodenum, which then allows acid to get through to the sensitive lining beneath. Both acid and H. pylori irritate the lining and cause a sore (ulcer) to form.

hope it helps you....

Answered by anantsaini2102
0

Answer:

reason is due to the presence of bacteria helicobacter pylori. it occurs in the duodenum part of stomach. plz mark it as brainliest

Similar questions