The Lower arm has two long bones called ulna  and __________________________.

A group of cells that performs a special job together is known as a ___________________.

____________________ are attached to the upper part of the neck bone forming a rib cage .

The Lower arm has two long bones called ____________________ and radius.

In the human skeleton the teeth are fixed to the jaw bones the lower jaw bone is the only ______________ bone in the skull

On the back of a vertebrae there is a long hard bony structure which is not very smooth this is the __________________ .

Skull  _______________

The brain box contain how many bones ?

Ribs refers to   _________________

Backbone

• (i)  is made up of many small bones
• (ii) encloses and supports the spinal cord
• (iii) extends from skull to tip of tail
• (iv) forms the main supporting axis