Identify the following:
1. humerus
2. anterior compartment
3. posterior compartment
4. lateral intermuscular septum
5. medial intermuscular septum
6. biceps brachii
7. coracobrachialis
8. brachialis
9. lateral head of triceps
10. long head of triceps
11. medial head of triceps
12. brachial vessels
13. radial nerve