Select the correct option.

1. A. (1) There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs.
2. B. (2) 8 th , 9 th and 10 th pairs of ribs articulate directly with the sternum.
3. C. (3) 11 th and 12 th pairs of ribs are connected to the sternum with the help of hyaline cartilage.
4. D. (4) Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum.

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