Microscopic Skeletal System

Front

How many bones are in the adult human skeleton?

Back

206

Front

What is the function of osteoblasts in the skeletal system?

Back

Osteoblasts are cells responsible for building up bone.

Front

What are the primary functions of the skeletal system?

Back

The skeletal system supports and protects the body, allows movement, and produces red blood cells.

Front

What is lamellae in the context of bone structure?

Back

Lamellae are thin layers of bone matrix that form the structure of compact bone.

Front

What is the pelvic girdle?

Back

The pelvic girdle is a bony structure that connects the spine to the lower limbs and supports the weight of the upper body.

Front

What type of bone is primarily responsible for producing red blood cells?

Back

Red bone marrow, found in certain bones, is responsible for producing red blood cells.

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 role do osteoclasts play in the skeletal system?

Back

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

Front

What is the significance of the axial skeleton?

Back

The axial skeleton supports the head, neck, and trunk, and protects the brain, spinal cord, and thoracic organs.

Front

What are the major components of the appendicular skeleton?

Back

The appendicular skeleton includes the limbs and the girdles (shoulder and pelvic girdles) that attach them to the axial skeleton.

Tags

NGSS.MS-LS4-2