The  longest bone in our body.

The parts of our body which work day and  night.

Which of the following bones are round?

A joint that moves by rotating  is called:

The bone of the upper arm is called:

The  muscle that bring about the movement of the  skeleton are called:

It gives  shape to the body,  supports the body.  Which system is referred to here?

The body parts with small bones.

Which of the following  are made of long and strong fibres?