Exploring the Skeletal System

Which type of bone is the sternum classified as?

• Long bone

• Irregular bone

• Flat bone

• Short bone

What is the name of the spongy bone inside the humerus?

• Compact bone

• Trabecular bone

• Cortical bone

• Medullary bone

What is the term for the hollow center of a long bone?

• Epiphysis

• Metaphysis

• Diaphysis

• Medulla

Which cells are responsible for building bones?

• Osteocytes

• Osteoprogenitor cells

• Osteoblasts

• Osteoclasts

What do osteoblasts become when they are trapped in the bone matrix?

• Bone marrow cells

• Osteoprogenitor cells

• Osteocytes

• Osteoclasts

Tags

NGSS.HS-LS1-4

Which layer surrounds the compact bone?

• Epiphysis

• Endosteum

• Periosteum

• Medulla

What is the function of the periosteum?

• It forms the bone matrix

• It breaks down bone tissue

• It stores bone marrow

• It houses blood vessels and nerves

What are the functional units of compact bone called?

• Osteocytes

• Osteoclasts

• Osteoblasts

• Osteons

How do blood vessels penetrate the bone?

• Through canals

• Through the medulla

• Through the periosteum

• Through the epiphysis

Which type of bone is primarily made up of osteons?

• Compact bone

• Medullary bone

• Spongy bone

• Trabecular bone