Question

The process of digestion has been very complex
and elaborate. It starts to our mouth itself. When
we chew food, saliva are produced in the
mouth for moisten it. The saliva contains a
substance called ptyalin which converts the starch of
food into sugar. edit the para​

Answer 1

Answer:

The saliva contains a

substance called ptyalin which converts the starch of

food into sugar. edit the para

l hope this will helps you please mark it brainlisted Answers

Answer 2

Explanation:

a. has been. is

b. to. from

c. are. is

d. for. is

e. while. it