Classification of Bones
Microscopic Bone
Skull
Vertebrae
Thoracic Cage
100

There are this many different classifications of bones

What is 4?

100

Help form bone by secreting substances that comprise the bone's matrix. 

What are osteoblasts?

100

The skull belongs to this skeleton.

What is axial skeleton?

100

The total number of vertebrae in the vertebral column. 

What is 33?

100

This is the landmark used for CPR (cardiopulmonary resuscitation).

What is the xiphoid process?

200

This classification of bones are used as levers to help move limbs. 

What are long bones?

200

This bone marrow is in charge of producing red blood cells, white blood cells, and platelets.

What is red bone marrow?

200

Forms the forehead and the roof of the eye sockets (orbits)

What is the frontal bone?

200

The most superior vertebrae belong to this section of vertebrae.

What are cervical vertebrae?

200

The broadest part of the sternum.

What is the manubrium?

300

Bones that are clustered in groups, and can be found in tendons

What are irregular bones?

300

This bone tissue is light and porous and is found in the middle of some bones and at the end of long bones. 

What is Spongy bone?

300

The bones of the skull join at immovable joints named this. 

What are sutures?

300

The most inferior portion of the vertebral column which consists of 4 fused vertebrae.

What is the Coccyx?

300

These ribs are attached to the sternum by costal cartilage.

What are true ribs (ribs 1-7)?

400

Carpal bones of the wrist, and tarsal bones of the ankle

What are short bones?

400

These bone cells are responsible for dissolving unwanted or unhealthy bone.

What are osteoclasts?

400

With the appearance of a giant moth, this bone lies behind and slightly above the nose and throat.

What is the Sphenoid bone?

400

This is the part of the vertebrae that you can feel when you run your hand along your spine. 

What is the spinous process?

400

Besides protecting the thoracic organs, this organ is also protected by the ribs.

What is the liver, spleen, and/or kidneys?

500

Thin, often curved bones that protect organs

What are flat bones?

500

These fibers found in the matrix allow bone to be highly resistant to stretching forces. 

What are collagen fibers?

500

The suture between the right and left parietal bones.

What is the sagittal suture?

500

This is the name of the opening in the center of the vertebrae.

What is the vertebral foramen?

500

The name for the lower edges of the thoracic cage that meet at the xiphoid process.

What are costal margins?