The term 'skeleton part' refers to the various components that make up the human skeleton. The five solutions for this term are SKULL (5 letters), TIBIA (5 letters), ULNA (4 letters), RIB (3 letters), and BONE (4 letters). The SKULL is the most recognizable part of the skeleton, as it is the head and face of the body. The TIBIA is a long BONE located in the lower leg, while the ULNA is a long BONE located in the forearm. The RIB is a curved BONE located in the chest area, and BONE is a general term for any of the 206 bones that make up the human skeleton.