A) Digestion has started from buccal cavity
B) Villi is the infolding of small intestine
C) Intestine has acidic medium because of presence of HCI
D) All of the above
Correct Answer: D
Solution :
[d] Digestion of food get started from buccal cavity where saliva mixed with food. Villi are in folding of small intestine which helps in absorption of food. Medium of intestine is acidic due to presence of HCI.
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