The presence of what makes the matrix of bones hard?

The parts of the skeleton that are not as hard as bones and which can be bent are called as </p>

How many regions is the vertebral column divided into?

_______ are a connective tissue which connect two bones to each other.</p>

What is the shape of the hyoid bone ?

Which of the following is an example of a hinge joint?</p>

Muscles are made of ?

Which of these bones are not a part of the axial skeleton ?