Question

2. Why is our backbone made up of many small vertebrae instead of
one straight long bone?
Ans is what​

Answer 1

Explanation:

the backbone is made up of several small bone instead of a single bone because if there was a single bone when there is a high chance of damage to the bones when we make our body straight according to the posture.

Answer 2

Explanation:

the backbone is made up of several small bone instead of a single bone because if there was a single bone when there is a high chance of damage to the bones when we make our body straight according to the posture.