Gizzard
Birds such as chicken, doves and others, and earthworms have gizzard which are responsible for storing and softening the consumed food in their digestive tract. The gizzard serves as the grinder of these food in preparation of the absorptive phase of the G.I tract.
Phagocytosis is the answer to this one :)
If the epimers differ in con²gura±on around one<span> carbon or more than one carbon</span>