A cavity within a bone
A hole for blood vessels and nerves
A site for muscle attachment
Both a and b are correct
A, b, and c are all correct
Zygomatic bone-temporal process
Both a and c are correct
Is formed by 12 pairs of ribs and costal cartilages, the sternum, and 12 thoracic vertebrae.
Protects the internal chest organs, as well as the liver.
Is narrower at its superiot end.
Aids in supporting the bones of the shoulder girdle.
Is described by all of the above.
Here's an interesting quiz for you.