The skull , vertebral column , and thoracic cage form the (a)   skeleton

^{A round or oval hole through a bone , which contains Blood vessels / or nerves is called}

(a)  

The bone cells that respond to parathyroid hormone (PTH) to destroy bone matrix and release calcium into the blood are called :

(a)  

The Axial skeleton contains :

(a)  

How many true ribs do humans have:

(a)  

The Sternum is the result ot fusion of 3 bones called the :

(a)  

Cells that can dissolve the bony matrix

(a)  

Small channels that radiate through the matrix of bone

(a)  

Area where bone growth takes place

(a)  

Plane , hinge , and pivot joints are all types of (a)   joints

Joint between atlas and axis

(a)  

Knuckle joints is what type of joints?

(a)