Identify the type of ribs based on the following features. 

a.    Each has two articulation surfaces on its dorsal end (bicephalic).

b.   Dorsally, they are attached to the thoracic vertebrae.

c.   Ventrally, they join the seventh rib with the help of hyaline cartilage.

• A

  Vertebrosternal ribs - True ribs

• B

  Vertebral ribs - False ribs

• C

  Vertebrochondral ribs - False ribs

• D

  Single headed ribs - True ribs