Question

We need normal flora in order to

A. help keep our bones strong.
B. help aid in elimination of toxins.
C. help aid in the digestion of the food that we eat.
D. help aid in elimination and excretion of byproducts.

Answer 1

D. i think also is a {D}help aid in elimination and excretion of byproducts

Answer 2

D. help aid in elimination and excretion of byproducts