Food commonly mimics the parts of the body it benefits.

For example, kidney beans and black beans are good blood tonics and support kidney function:

      

Walnuts are very good for brain function due to their high levels of omega fatty acids and vitamins E and B6:

         

                           

Tomatoes contain lycopene and are good for heart function:

            

Carrots are high in lutein and carotene, which are important for eye health:

            

Dry kibble resembles a mountain of desert rocks, which resembles a pile of bladder stones:

                            

Enough said.