📚 Part 1: Multiple Choice

1. Which of the following is NOT a function of the skeletal system? (2 marks)

Protection of vital organs

Production of blood cells

Digestion of food

Support and structure

2. What type of bone is the femur (thigh bone)? (2 marks)

Short bone

Flat bone

Long bone

Irregular bone

3. Which parts of a bone are involved in blood cell production? Select all that apply. (3 marks)

Red bone marrow

Yellow bone marrow

Compact bone

Periosteum

✏️ Part 2: Short Answer Questions

4. Name the three main types of bone cells and describe the function of each. (5 marks)

5. Explain the difference between compact bone and spongy bone, including where each is found. (4 marks)

6. Complete the following sentences about bone disorders: (3 marks)

a) _____________ is a condition where bones become weak and brittle, commonly affecting elderly people.

b) A _____________ is a break in the bone that can be caused by trauma or stress.

c) _____________ is the inflammation of joints, which can cause pain and reduced mobility.

🔬 Part 3: Applied Knowledge

7. A 70-year-old woman falls and breaks her hip. Explain why elderly people are more prone to bone fractures and describe what happens during the bone healing process. (5 marks)

8. Draw and label a diagram of a long bone, showing at least four different structures. (4 marks)

Year 9 Skeletal System

Year 9 Skeletal System

📚 Part 1: Multiple Choice

✏️ Part 2: Short Answer Questions

🔬 Part 3: Applied Knowledge

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