digestion - process the body uses to break down food into simple substances for energy, growth, and cell repair.
(the body; uses; to break down food into simple substances for energy, growth, and cell repair) (the body; to break down; food; into simple substances for energy, growth, and cell repair)
the body the body
uses to break down
to break down food into simple substances for energy, growth, and cell repair
food into simple substances for energy, growth, and cell repair