Question

what happens if back bone is not there class 9

Answer 1

Imagine what could happen to your heart and lungs without the protective armor of your rib cage! When you were born you had over 300 bones. As you grew, some of these bones began to fuse together. ... When muscles contract, the bones to which they are attached act as levers and cause various body parts to move.

hope it is helpful

Answer 2

Without a spinal cord, you could not move any part of your body, and your organs could not function. This is why keeping your spine healthy is vital if you want to live an active life.