Role The function of the digestive system is to reduce food to a form that can be absorbed into the body, remove the nutrients, and excrete what is left over.
(Role; is; to reduce food to a form that can be absorbed into the body, remove the nutrients, and excrete what is left over) (a form; can be absorbed; into the body)
Role a form
is can be absorbed
to reduce food to a form that can be absorbed into the body, remove the nutrients, and excrete what is left over
into the body