Question

state the function of following in the alimentary canal liver saliva and v i l l i ​

Answer 1

Ailementary canal is the first place from where the digestion starts.Its the mouth.

Saliva helps in breaking down starch into sugar

Villi are finger like projections that that increase the area of food absorption.

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Answer 2

(i) Liver (ii) Gall bladder (iii) Villi. (i) The cells of liver secrete bile juice, which helps in emulsification of fats. ... (iii) The villi increses the intestinal absorptive surface area.