Question

Why does the pH of the alimentary canal change at different points

Answer 1

Answer:the breakdown of food in our stomach needs acidic medium which is provided by hydrochloric acid. HCl have th ph of 2 which also kill bacteria

Explanation:

Answer 2

Answer:

ph changes becoz of release of different ph holding fluids at certain points of Alimentary canal for ex:

1. Ph of buccal cavity is 6.8 due to release of saliva being slightly acidic.
2. Ph of stomach is highly acidic due to release of HCL.
3. Ph of intestine is basic due to release of bile juice.

Hope that helps!!!!!

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