The Skeletal System

Front

What is the main function of the skeletal system?

Back

The skeletal system provides structure, support, and protection for the body, facilitates movement, and produces blood cells.

Front

What are the two main types of bone tissue?

Back

Compact bone and spongy bone.

Front

What is the role of osteoclasts in the skeletal system?

Back

Osteoclasts are cells that break down bone tissue, helping to regulate bone density and calcium levels.

Front

What is the periosteum?

Back

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

Front

What is the medullary cavity?

Back

The medullary cavity is the central cavity of bone shafts where red and yellow bone marrow is stored.

Front

What type of bone is the patella?

Back

The patella is classified as a sesamoid bone.

Front

What is the difference between axial and appendicular skeleton?

Back

The axial skeleton includes the skull, vertebral column, and rib cage, while the appendicular skeleton includes the limbs and pelvic girdle.

Front

What is yellow marrow?

Back

Yellow marrow is a type of bone marrow that stores fat and is found in the medullary cavity of long bones.

Front

What are flat bones and give an example?

Back

Flat bones are thin, flattened, and usually curved bones that protect vital organs; an example is the skull.

Front

What is the function of osteoblasts?

Back

Osteoblasts are cells that build new bone tissue.