Question

which one is an irregular bone?
o clavicle
o ulna
o metacarpal
o vertebral bones

Explanation:

• Vertebral bones are irregular in shape as they have complex structures that do not fit into the categories of long (like clavicle - a long bone in the shoulder girdle), short (not applicable here), or flat bones.
• Metacarpal bones are long bones in the hand.
• Ulna is a long bone in the forearm.
• Clavicle is a long bone in the shoulder girdle.

Answer:

vertebral bones