A. Digestive
D. Respiratory
B. Integumentary
E. Nervous
C. Musculo-Skeletal
F. Excretory

1. Skin
2. Spinal Cord
3. Femur
4. Appendix
5. Alveoli
6. Humerus
7. Nail
8. Neuron
9. Nephron
10. Hair
11. Cilia
12. Villi
13. Ligament
14. Ureter
15. Phalanges