Question

Why is our backbone made up of many small vertybray instead of having our straight long bone

Answer 1

Answer:

To give flexibility

Explanation:

Backbone is made of small vertebrates to give flexibility to the body so that we can bend easily. If there will be straight bone, it breaks.

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Answer 2

Answer:

Explanation:

IF IT IS MADE UP OF SINGLE BONE THEN WE COULDN'T DO THE DAILY LIFE ACTIVITIES LIKE BENDING, PLAYING ETC. AS WE COULDN'T BE ABLE TO BEND OUR BODY.