3.2 Skeletal System

Front

Where are red blood cells produced?

Back

Red blood cells are produced in the red bone marrow.

Front

The disease in which bones become irritated or inflamed because cartilage in the joints has worn away is called ___?

Back

Arthritis.

Front

How many bones are in the adult skeletal system?

Back

The adult skeletal system is composed of 206 bones.

Front

What do the bones produce?

Back

Bones produce red blood cells.

Front

During which stage of development do bones become less dense and break easily?

Back

During adulthood.

Front

What is the primary function of the skeletal system?

Back

The primary function of the skeletal system is to provide support, protect internal organs, and facilitate movement.

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, found inside bones, and contains red bone marrow.

Front

What is osteoporosis?

Back

Osteoporosis is a condition characterized by weak and brittle bones, increasing the risk of fractures.

Front

What role does cartilage play in the skeletal system?

Back

Cartilage provides cushioning at joints and allows for smooth movement between bones.

Front

What is the axial skeleton?

Back

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