Across
- 3. towards bottom
- 4. back of body
- 6. away from trunk for limbs
- 7. towards trunk for limbs
- 10. body split into top and bottom
- 11. toward midline
- 13. external or surface
- 15. on opposite side
- 17. internal
- 18. body split into front and back
Down
- 1. towards top
- 2. front of body
- 5. body split into left and right
- 8. parts of the body that include arms and legs
- 9. on same side
- 12. body split into left and right exactly through middle
- 14. away from midline
- 16. parts of the body that include head, neck, and trunk
