mouth or gills
Gills
They use their gills.
Fish primarily use their mouths to capture and consume food. Their teeth, if present, help in grasping or tearing prey. Some species also utilize specialized structures like pharyngeal jaws for further processing food. Additionally, certain fish use their fins to help maneuver and chase down prey.
mouth or gills
cheeseburgers!
their paws
they use it to build body parts and make cells
your body digests food which turns it in to energy that goes through your bloodstream to all parts of your body
, beak ...
Its balls
the ears
They use their strong claws to dig burrows and to find their food.