Define joint, or articulation. Name and describe the differences among the three major classes of joints.

Determine whether each statement makes sense or does not make sense, and explain your reasoning. I solved a formula for one of its variables, so now I have a numerical value for that variable.

What is the function of the thoracic cage? Name the parts of the sternum. Distinguish among true, false, and floating ribs.

Name and give the number of each type of vertebra. Describe the characteristics that distinguish the different types of vertebrae from one another.

Name one of the two functions of an articulation, or joint.

Describe the structure of a synovial joint. How do the different parts of the joint permit joint movement?

The Latin root-vis-means "see." The root appears in the word improvised, which literally means "not seen before." It also appears in these words and phrases:

$$\begin{array}{ll}{\text { visitor }} & {\text { revise }} \\ {\text { supervisor }} & {\text { visual aid }} \\ {\text { invisible }} & {\text { envision }}\end{array}$$

Identify the word or phrase above that matches each clue. Not able to be seen

Through what foramen does the brain connect to the spinal cord?

What is accomplished by bone remodeling? How does bone repair occur?

Explain a classification of bones based on their shapes.

Give the locations of the paranasal sinuses. What are their functions?

Name the bones of the braincase and the face.

How do the vertebrae protect the spinal cord? Where do spinal nerves exit the vertebral column?

Describe the structure of spongy bone. What are trabeculae? How do nutrients reach osteocytes in trabeculae?