Final answer:
The bones in the arm from top to bottom are the humerus, ulna, radius, carpal bones, metacarpals, and phalanges.
Step-by-step explanation:
The bones in the arm from top to bottom are:
- Humerus: the single bone in the upper arm.
- Ulna: the bone on the inner side of the forearm.
- Radius: the bone on the outer side of the forearm.
- Carpal bones: eight bones in the wrist.
- Metacarpals: five bones in the hand.
- Phalanges: 14 bones in the fingers.
The thumb is opposable to the palm and fingers of the same hand.