Skeletal System

Front

What is the diaphysis of a long bone?

Back

The diaphysis is the long, tubular shaft of a long bone, primarily composed of compact bone.

Front

What are false ribs?

Back

False ribs are the last five pairs of ribs that are not directly attached to the sternum; the first three pairs are indirectly attached via cartilage.

Front

What is the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue that envelops the bones except at the surfaces of the joints.

Front

What is the function of cranial bones?

Back

Cranial bones protect the brain and support the structures of the face.

Front

What bones are included in the axial skeleton?

Back

The axial skeleton includes the skull, vertebral column, and rib cage.

Front

What are floating ribs?

Back

Floating ribs are the last two pairs of ribs that are not attached to the sternum or to other ribs.

Front

What is the role of the epiphyseal plate?

Back

The epiphyseal plate, or growth plate, is a hyaline cartilage plate in the long bones that allows for growth in length.

Front

What is the difference between compact bone and spongy bone?

Back

Compact bone is dense and forms the outer layer of bones, while spongy bone is lighter and contains spaces filled with marrow.

Front

What is the function of the vertebrae?

Back

The vertebrae protect the spinal cord and provide structural support for the body.

Front

What is the sternum?

Back

The sternum, or breastbone, is a flat bone located in the center of the chest that connects to the ribs via cartilage.