Question

question
the area of the greatest degree of flexibility along the vertebral column is found from

answer
$l_1$ to $l_5$
$t_7$ to $t_{12}$
$t_1$ to $t_8$
$c_3$ to $c_7$
i dont know yet

Explanation:

The cervical vertebrae (C1 - C7) have the greatest degree of flexibility in the vertebral column due to their structure and function related to head movement.

Answer:

C. C₁ to C₇