Across
- 2. Any of the hard pieces that form the skeleton of most animals the bones of the arm.
- 4. The joint between the foot and the leg.
- 5. The study of structures of living things.
Down
- 1. The side of the face below the eye and above and to the side of the mouth.
- 3. The part of the nervous system that is inside the skull.
- 4. A human upper limb especially between the shoulder and wrist.