Question

QV (a) Bones are the hard parts of our body and can not move by themselves. S
how so we bend our elbow and knee?
(b! What will happen if your backbone had only one long bone instead of many
vertebrae?​

Answer 1

Explanation:

(a) There are joints at the end of bones.That's y we can bend our elbow and knee.

(b) If there is only one long backbone then we won't b able to twist our back

while turning backwards....

Mark it as the brainliest plz