| I: | 1 has condyles and articulates with first vertebra, 10 are floating ribs |
| II: | 2 articulates with acetabulum, 5 articulates with glenoid cavity |
| III: | 3 is radius, 4 is ulna, 7 is fibula, 8 is tibia |
| IV: | 9 shows thoracic vertebrae |
| 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 |
| 1. | 1 – Frontal; 2 – Maxilla; 3 – Clavicle; 4 - Humerus |
| 2. | 1 – Frontal; 2 – Maxilla; 3 – Scapula; 4 - Humerus |
| 3. | 5- ribs; 6 – vertebrae; 7 – Hyoid; 8 - Scapula |
| 4. | 1- Frontal; 2- Zygomatic; 9 – Maxilla, 10 - Sphenoid |
| I: | There are fewer bones in an infant than there are in an adult. |
| II: | There are more facial bones than there are cranial bones. |
| III: | There are more fused vertebrae than there are unfused vertebrae. |
| IV: | Since they are composed of cartilage, ribs 8, 9, and 10 are called false ribs. |
| 1. | 0 | 2. | 1 |
| 3. | 2 | 4. | 3 |
| 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. |
| 1. | Axial skeleton comprises 80 bones. |
| 2. | A paired U-shaped bone called hyoid is present at the base of the buccal cavity and it is also included in the skull. |
| 3. | Each middle ear contains three tiny bones – Malleus, Incus and Stapes, collectively called Ear Ossicles. |
| 4. | The skull region articulates with the superior region of the vertebral column with the help of two occipital condyles (dicondylic skull). |