Human Skeleton and Bone Classification

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What type of bones are generally cube-shaped and contain mostly spongy bone?

Sesamoid bones
Flat bones
Short bones (correct)
Irregular bones

Which type of bone is typically longer than wide and contains mostly compact bone?

Flat bones
Sesamoid bones
Long bones (correct)
Short bones

Which type of bone is thin and flattened, usually curved, with thin layers of compact bone around a layer of spongy bone?

Flat bones (correct)
Long bones
Sesamoid bones
Irregular bones

What is the most abundant type of cartilage in the initial human skeleton?

Hyaline cartilage (B) Signup and view all the answers

By what age is the human skeleton completely hardened?

25 (D) Signup and view all the answers

How many bones make up the adult skeleton?

206 (A) Signup and view all the answers

What is the shape of irregular bones?

Irregular (B) Signup and view all the answers

What is the function of osteocytes in bone?

They transport nutrients and wastes (C) Signup and view all the answers

Where are lacunae found in bone?

Within the bone matrix (A) Signup and view all the answers

What gives bone resilience and strength?

Collagen (B) Signup and view all the answers

What is the function of canaliculi in bone?

To transport nutrients and wastes (B) Signup and view all the answers

Which type of bone is also known as cancellous bone?

Spongy bone (C) Signup and view all the answers

Where are trabeculae found in bone?

Within the spongy bone (B) Signup and view all the answers

What is the primary component of the extracellular matrix of bone?

Collagen (B) Signup and view all the answers

What is the function of the central canal in compact bone?

To provide a passage for blood vessels and nerves (B) Signup and view all the answers

What is the purpose of articular cartilage in long bones?

To provide cushioning at joints (C) Signup and view all the answers

Which type of bone is also known as cancellous bone?

Wormian bones (C) Signup and view all the answers

Where are lacunae found in bone?

In the trabeculae of spongy bone (D) Signup and view all the answers

What gives bone resilience and strength?

Spongy bone (B) Signup and view all the answers

What is the shape of irregular bones?

Curved (D) Signup and view all the answers

What is the function of articular cartilage in long bones?

To provide a smooth surface for joint movement (C) Signup and view all the answers

What is the primary component of the extracellular matrix of bone?

Collagen fibers (A) Signup and view all the answers

What is the primary function of canaliculi in bone?

To transport nutrients and wastes to and from osteocytes (C) Signup and view all the answers

Where are lacunae commonly found in bone?

In the spongy bone (D) Signup and view all the answers

What is the primary purpose of articular cartilage in long bones?

To reduce friction and absorb shock at joints (B) Signup and view all the answers

What is the primary component of the extracellular matrix of bone?

Collagen and inorganic salts (A) Signup and view all the answers

What is the function of the central canal in compact bone?

To contain blood vessels and nerves that supply the bone (C) Signup and view all the answers

Where are trabeculae commonly found in bone?

In the spongy bone (C) Signup and view all the answers

What gives bone resilience and strength?

Inorganic salts (B) Signup and view all the answers

Short bones

Cube-shaped bones primarily composed of spongy bone.

Long bones

Bones longer than wide, primarily made of compact bone.