Question

which of following bones is specifically part of the appendicular skeleton?

• vertebrae
• sternum
• ulna
• ribs

Explanation:

Define axial and appendicular skeletons

• Axial skeleton: skull, vertebral column, ribs, and sternum.
• Appendicular skeleton: pectoral girdle, pelvic girdle, upper limbs, and lower limbs.

Classify the given options

• Vertebrae: Axial skeleton
• Sternum: Axial skeleton
• Ulna: Appendicular skeleton (upper limb bone)
• Ribs: Axial skeleton

Answer:

• Vertebrae
• Sternum
• Ulna (Correct answer)
• Ribs