Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

28. Human Development

Introduction to Human Development

Anatomy & Physiology

28. Human Development

Introduction to Human Development

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Multiple Choice

Bone growth occurs in children primarily in which part of the bone?

Periosteum

Epiphyseal plate

Medullary cavity

Articular cartilage

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Verified step by step guidance

Understand the anatomy of a long bone: A long bone consists of several key parts, including the epiphysis (ends of the bone), diaphysis (shaft), periosteum (outer covering), medullary cavity (inner hollow space), articular cartilage (smooth covering at the joint surfaces), and the epiphyseal plate (growth plate).

Learn the function of the epiphyseal plate: The epiphyseal plate, also known as the growth plate, is a layer of hyaline cartilage located between the epiphysis and diaphysis in growing bones. It is responsible for longitudinal bone growth during childhood and adolescence.

Compare the roles of other structures: The periosteum is involved in bone repair and appositional growth (growth in width), the medullary cavity houses bone marrow, and articular cartilage reduces friction at joints. None of these structures are primarily responsible for bone growth in length.

Recognize the process of endochondral ossification: Bone growth in length occurs through endochondral ossification at the epiphyseal plate. Chondrocytes (cartilage cells) divide and are replaced by bone tissue as the child grows.

Conclude that the epiphyseal plate is the correct answer: Based on its function and location, the epiphyseal plate is the primary site of bone growth in children, distinguishing it from the other options provided.