16. Tarsus.
17. Metatarsus.
18. Phalanges.
PRINCIPAL MUSCLES OF THE BODY
1. Sternoclidomastoid (the muscle that bends the head).
2. Trapezius.
3. Pectoralis (chest muscle).
4. Deltoid (arm lifting muscle).
5. Coraco brachialis (rudimentary arm muscle).
6. Triceps (forearm extension).