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

5. Integumentary System

Introduction to the Integumentary System

Anatomy & Physiology

5. Integumentary System

Introduction to the Integumentary System

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Multiple Choice

Which structure anchors the tooth in place within the jaw?

Pulp cavity

Periodontal ligament

Dentin

Enamel

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Verified step by step guidance

Understand the anatomy of a tooth: A tooth is composed of several structures, including enamel, dentin, pulp cavity, and the periodontal ligament. Each structure has a specific function and location.

Define the periodontal ligament: The periodontal ligament is a connective tissue that anchors the tooth to the alveolar bone of the jaw. It acts as a shock absorber during chewing and provides stability to the tooth.

Differentiate the other options: Enamel is the hard, outermost layer of the tooth that protects it from wear and decay. Dentin is the layer beneath the enamel, providing structural support. The pulp cavity contains nerves and blood vessels, but it does not anchor the tooth.

Relate the function of the periodontal ligament to the question: Since the question asks which structure anchors the tooth in place, the periodontal ligament is the correct answer because it directly connects the tooth to the jawbone.

Conclude the reasoning: Based on the definitions and functions of the structures, the periodontal ligament is the structure responsible for anchoring the tooth in place within the jaw.