The term ARM PART refers to the various components of the human arm. The crossword solutions for this term include ELBOW (5 letters), RATE (4 letters), ULNA (4 letters), WRIST (5 letters), HAND (4 letters), and FOREARM (7 letters). The ELBOW is the joint between the upper arm and the FOREARM, and it is responsible for bending and straightening the arm. The RATE is the speed at which something moves or happens. The ULNA is one of the two bones in the FOREARM, located on the little finger side of the arm. The WRIST is the joint between the HAND and the FOREARM, and it is responsible for the movement of the HAND. The HAND is the part of the arm that contains the fingers and thumb. The FOREARM is the part of the arm between the ELBOW and the WRIST.