body part vs forelimb

body part

noun
  • Any part of an animal organism, such as an organ, limb or extremity. 

  • Any part of the body of a vehicle. 

forelimb

noun
  • The anterior limb (or equivalent appendage) of an animal 

How often have the words body part and forelimb occurred in a corpus of books? (source: Google Ngram Viewer )