How many pairs of ribs normally articulate with the thoracic vertebrae?
The three parts of the sternum are the manubrium, the body, and the:
a. Xiphoid process.
d. Coracoid process.
The sternum is composed of how many osseous parts?
Which ribs are free of any anterior attachment?
a. The first through seventh ribs.
b. The first through tenth ribs.
The eighth through tenth ribs.
d. The eleventh and twelfth ribs.