We can see here are the matches of objects with body parts:
Regarding the word transformation exercise:
Starting with "dog" and transforming it into "cat":
Each step changes one letter to transform "dog" into "cat," producing real words at each stage.
A body part refers to a specific anatomical structure or component of a living organism's body. Human beings, as well as many other organisms, have distinct body parts that serve various functions and purposes within the body's overall functioning.