I: | cervical region with 7 vertebrae |
II: | thoracic region with 12 vertebrae (12) |
III: | lumbar region with 4 vertebrae |
IV: | sacral (2-fused) and coccygeal (2-fused) regions |
Statement I: | A single U-shaped bone called hyoid is present at the base of the buccal cavity and it provides attachment to the tongue. |
Statement II: | The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull). |
Statement I: | Each rib is a thin flat bone connected ventrally to the vertebral column and dorsally to the sternum. |
Statement II: | Each rib has two articulation surfaces on its ventral end and is hence called bicephalic. |