As food is chewed, the amylase present in the saliva, which is secreted by the salivary glands, begins to digest complex carbohydrates.
(food; is chewed; ) (the saliva; is secreted; by the salivary glands) (the amylase present in the saliva; begins; )
food the saliva the amylase present in the saliva
is chewed is secreted begins
by the salivary glands