Which of the following statements about the skeleton is not correct? a. Each coxal bone is formed?

... by the fusion of three bones.
b. The scapula and clavicle are components of the appendicular skeleton
c. Vertebrosternal ribs attach directly to the sternum with costal cartilage.
d. Compact and spongy bone make up the axial and appendicular skeleton.
e. The bones of the pectoral girdle include the ileum, ischium, pubis, sacrum and coccyx