Skeletal System

Front

What are concentric layers of bone matrix called?

Back

Lamellae

Front

Which function is NOT performed by bones?

Back

Maintenance of body temperature.

Front

What type of bone tissue appears smooth and homogeneous?

Back

Compact bone.

Front

What are the holes in compact bone that carry blood vessels from the periosteum called?

Back

Perforating canals.

Front

What happens to calcium loss from bones when estrogen levels decrease in females after age 40?

Back

Calcium loss from bones increases.

Front

What is the primary function of the skeletal system?

Back

Support, protection, movement, mineral storage, and blood cell production.

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 found inside bones, containing trabecular structures.

Front

What is the role of osteocytes in bone tissue?

Back

Osteocytes maintain bone tissue and communicate with other bone cells.

Front

What is the periosteum?

Back

A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Front

What is the significance of the medullary cavity in long bones?

Back

It contains bone marrow, which is involved in blood cell production.