Skeletal System Functions
Bone Structure
Bone Cells
Bone Composition
Bone Growth and Repair
100

This function of the skeletal system involves bearing the weight of the body

What is structure

100


The long, central shaft of a long bone is called this

What is the shaft?

100

These are mature bone cells that make up most of the bone structure

What are osteocytes?

100

Approximately this percentage of bone is made of mineral salts.

What is 65%?

100

This process incorporates calcium and minerals into cartilage to form bone.

What is ossification?


200

The ribcage performs this skeletal-system function by surrounding the heart and lungs

What is protections?

200

These are the two ends of a long bone

What are the epiphyses?

200

These cells break down bone.

What are osteoclasts?


200

This crystalline mineral provides bone with strength and hardness.

What is hydroxyapatite?

200

This structure, also called the growth plate, is made of cartilage and is involved in the lengthening of long bones.

What is the epiphyseal plate?

300

Bones perform this function with the help of muscles and joints

What is movement?

300

This cartilage-covered area at the ends of long bones provides smooth movement and cushions against shock.

What is articular cartilage?

300

These cells produce new bone

What are osteoblasts?

300

This organic component of bone contains ground substance and collagen.

What is osteoid?

300

During the first stage of bone repair, this forms when blood enters the wound.

What is a hematoma?

400

Bones hold minerals and fat, making this one of the five major functions of the skeletal system

What is storage?

400

This hollow space is found inside the diaphysis of a long bone

What is the medullary cavity?

400

According to the notes, these cells are connected by tiny, cannaliculi that allow nutrients and wastes to move between bone cells

What are osteocytes?

400

Collagen gives bones this property, allowing them to have tensile strength.

What is flexibility?

400

During bone repair, blood vessels grow and cartilage forms to hold the bone together. This is the formation of a ______.

What is a callus?

500

The production of red and white blood cells in red bone marrow is called this.

What is hematopoiesis?

500

This tough connective-tissue layer covers the outside of a bone and is involved in muscle attachment and bone repair.

What is the periosteum?

500

Remembering that “Build bone” helps students distinguish these cells from osteoclasts.

What are osteoblasts?

500

According to the notes, a lack of hydroxyapatite can cause this condition.

What is rickets?

500

Put the four stages of bone repair in the correct order.

What are hematoma formation → callus formation → callus ossification → compact bone formation?