Grade 12 Biology: Long Bone Structure and Function
A comprehensive worksheet for Grade 12 Biology students covering the anatomy, histology, and functions of long bones.
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Grade 12 Biology: Long Bone Structure and Function
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Read each question carefully and provide detailed answers based on your knowledge of long bone anatomy and physiology. Refer to the diagram provided for relevant questions.
Observe the diagram of the long bone cross-section below. Label the indicated structures.
1.
2.
3.
4.
5.
6.
7. Which of the following is primarily responsible for the growth in length of a long bone?
Periosteum
Epiphyseal plate
Medullary cavity
Endosteum
8. Red bone marrow is typically found in the:
Diaphysis of adult long bones
Medullary cavity of adult long bones
Epiphyses of adult long bones
Articular cartilage
9. The shaft of a long bone is called the .
10. The outer fibrous layer covering a long bone, except at the articular surfaces, is the .
11. The primary function of yellow bone marrow is .
12. are bone-forming cells.
13. Compact bone is found primarily in the epiphyses of long bones.
True
False
14. Osteoclasts are responsible for breaking down bone tissue.
True
False
15. Briefly describe the role of articular cartilage in a long bone.
16. Explain the difference between compact bone and spongy bone in terms of structure and location within a long bone.