Question

The ribcage and cranium both protect internal organs. However, the bones of the ribcage can
move whereas those of the cranium cannot. What are the advantages of movement and lack of
movement in the ribcage and cranium respectively?

Answer 1

It helps in the limited movement of bones and helps muscles in relaxing

Answer 2

Answer:

The Advantages are as follow :

Explanation:

Advantage of Movement of Ribcage :

We inspire and expire due to the movement of ribcage , I.e it helps the lung to change its size during breathing .

Advantage of LACK OF MOVEMENT

of Cranium :

The Brain is a very vital organ , if the cranium wouldn't have been rigid then the brain would have been injured due its movement .