Which of the following ribs attaches to the sternum at the sternal angle?

A) The first
B) The second
C) The seventh
D) The twelfth
E) The third

Sternal Angle

A thoracic landmark formed at the junction between the manubrium and the body of the sternum, significant in identifying rib levels.

Ribs

Bones that form the rib cage, designed to protect thoracic organs, such as the heart and lungs, and support the upper body.

Sternum

The long flat bone located in the center of the chest, which connects to the ribcage and protects the heart and lungs.