Skeletal System

Front

What is the primary function of the skeletal system?

Back

The primary function of the skeletal system is to provide support and structure to the body, protect internal organs, facilitate movement, store minerals, and produce blood cells.

Front

What are the two main divisions of the skeletal system?

Back

The two main divisions of the skeletal system are the axial skeleton (which includes the skull, vertebral column, and rib cage) and the appendicular skeleton (which includes the limbs and pelvic girdle).

Front

What is the difference between the diaphysis and epiphysis of a long bone?

Back

The diaphysis is the long, tubular shaft of a long bone, while the epiphysis is the rounded end of the bone that articulates with other bones.

Front

What type of bone is the pelvis classified as?

Back

The pelvis is classified as an irregular bone.

Front

What is the role of osteocytes in bone tissue?

Back

Osteocytes are mature bone cells that maintain the bone matrix and communicate with other bone cells to regulate bone remodeling.

Front

What is the function of the rib cage?

Back

The rib cage protects vital organs such as the heart and lungs and supports the upper body.

Front

What is the central canal in the Haversian system?

Back

The central canal in the Haversian system contains blood vessels and nerves that supply the bone.

Front

What is the periosteum?

Back

The periosteum is a dense layer of vascular connective tissue that covers the outer surface of bones, providing protection and serving as an attachment point for muscles.

Front

What are the main types of bone shapes?

Back

The main types of bone shapes are long bones, short bones, flat bones, irregular bones, and sesamoid bones.

Front

What is the significance of bone marrow?

Back

Bone marrow is significant because it is the site of blood cell production (hematopoiesis) and stores fat.