The term 'chest part' refers to the various components of the chest, which is the area of the body between the neck and abdomen. The crossword solutions for this term include LUNG (4 letters), RIB (3 letters), STERNUM (7 letters), pec (3 letters), KNOB (4 letters), and DRAWER (6 letters). The LUNG is an organ in the chest that is responsible for respiration. The RIB is a curved bone that forms the chest wall. The STERNUM is a flat bone located in the center of the chest. The pec is a muscle in the chest that helps with movement of the shoulder and arm. The KNOB is a protuberance on the chest wall. The DRAWER is a shallow compartment in the chest wall.