The correct option is D Both 1 and 2
The backbone is the structure present on our back. It runs from the neck till the hips. Curved backbone or vertebral column is a characteristic feature of humans. The joint of last vertebra and hip bone allows bending of the body. Thus, the functions of vertebral column include supporting the body, maintain its posture, support movements like bending and protection of the internal parts. So, both the statements are true here.