Question

a) identify the region marked by arrow a? b) identify the region marked by arrow b? human thoracic cage with arrow a pointing to the top portion of the sternum and arrow b pointing to the bottom portion of the sternum. a)body of sternum b)costal cartilage a)manubrium b) xiphoid process a)manubrium b)body a)costal cartilage b)manubrium

Explanation:

The top - portion of the sternum is the manubrium and the bottom - portion is the xiphoid process.

Answer:

A. manubrium, B. xiphoid process