The digestive system breaks down food two ways: mechanical digestion- the chewing (in the mouth ) and churning (in the stomach) chemical digestion- with the help of enzymes , into substances that cells can absorb and use.
(The digestive system; breaks down; food) (substances; can absorb; cells) (substances; use; cells)
The digestive system substances substances
breaks down can absorb use
food
cells
cells