The pelvic girdle of birds is attached to a complex structure formed by the fusion of last thoracic, all lumbar and first five caudal vertebra. This structure is called
`" " ` Or In birds, some of the vertebrae are fused to form

Options

A. Keel
B. Synsacrum
C. Syncytium
D. Furcula

Answer

B

Explanation

The synsacrum is a skeletal structure of birds in which sacrum is extended by incorporation of additional fused or partially fused caudal or lumbar vertebrae