Unit 2, Lecture 2

Front

What is articular cartilage?

Back

A smooth tissue that covers the ends of bones at joints, minimizing friction during movement.

Front

What is the medullary cavity?

Back

The central cavity of bone shafts where yellow bone marrow is stored.

Front

How many bones are in the adult human body?

Back

206 bones.

Front

What is the periosteum?

Back

A tough membrane that covers the outer surface of bones, providing protection and serving as an attachment point for muscles.

Front

What type of bone is found in the diaphysis of long bones?

Back

Compact bone, which provides strength and support.

Front

What is the function of red bone marrow?

Back

It is responsible for producing red blood cells, white blood cells, and platelets.

Front

What is yellow bone marrow?

Back

A type of bone marrow that stores fat and is found in the medullary cavity.

Front

What is the difference between spongy bone and compact bone?

Back

Spongy bone is lighter and less dense, found at the ends of long bones, while compact bone is dense and forms the outer layer.

Front

What role do osteocytes play in bone tissue?

Back

Osteocytes are mature bone cells that maintain bone tissue and communicate with other bone cells.

Front

What is the function of the skeletal system?

Back

To provide structure, support, and protection for the body, as well as facilitating movement.