Skeletal System

2. the bones in the fingers, three in each finger and two in each thumb, totaling 14 bones
5. one pair of large, flat triangular bones of the shoulder
7. a flexible joint composed of eight small, irregular bones (carpals) held together by ligaments
9. bones forming the sides of the head in the ear region
10. bone joining the sternum and scapula
13. light, spongy bone between the eye sockets that forms part of the nasal cavities
17. twelve pairs of bones forming the wall of the thorax
18. inner and larger bone of the forearm, attached to the wrist on the side of the little finger
19. oval, bony case that protects the brain
20. bones that form the sides and top of the cranium

1. uppermost and largest bone in the arm, extending from the elbow to the shoulder
3. small, thin bones that form the prominence of the cheeks; the cheekbones
4. forms the sides of the eye socket
6. chest or pulmonary trunk; consists of the sternum, ribs, and thoracic vertebrae; elastic, bony cage that serves as a protective framework for the heart, lungs, and other internal organs
8. the flat bone that forms the ventral support of the ribs
11. smaller bone in the forearm on the same side as the thumb
12. consists of five long, slender bones called metacarpal bones
14. hindmost bone of the skull, below the parietal bones; forms the back of the skull above the nape
15. bone forming the forehead
16. bones that form the prominence of the cheeks; the cheekbones