Question

Our backbone is made up of small bones instead of one long bone. why it is so?

Answer 1

Backbone:

1. The backbone is a hollow tube that passes through the spinal cord.
2. It provides support to our body and protects the spinal cord.
3. It consists of 33 vertebrae(small bones) joining together.

The reason for the backbone is made up of small bones:

1. Our backbone has the highest probability of getting damaged.
2. The body would make a straight posture it is made of a single bone.
3. Since it is made up of small vertebrae bones, it is flexible and helps to carry out activities like stand sit, bending, walking, etc.
4. Hence, it is made up of small bones instead of one long bone.