Question

back bone consists of a. 13 vertebra b. 23 vertebra c. 33 vertebra d. 43 vertebra ​

Answer 1

Answer:

C. 33 Vertebrae

Explanation:

24 presacral vertebrae (7 cervical, 12 thoracic, and 5 lumbar) followed by the sacrum (5 fused sacral vertebrae) and the coccyx (4 frequently fused coccygeal vertebrae).

Answer 2

Answer:

33 vertebra

Explanation:

our backbone is made up of 33 small bones called vertebra which helps us to bend downwards and function properly.If there were a single bone then it may break when we perform any function .