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 Heart2h 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

8. Joints

Structural Class: Synovial Joints

Anatomy & Physiology

8. Joints

Structural Class: Synovial Joints

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Multiple Choice

What role does articular cartilage play in synovial joints?

It reduces stress on the joint.

It stores synovial fluid, allowing for weeping lubrication.

It lines bone ends, preventing them from coming into direct contact with each other.

All three answers above are correct.

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Verified step by step guidance

Understand the structure of synovial joints: Synovial joints are characterized by the presence of a synovial cavity filled with synovial fluid, which allows for free movement between the articulating bones.

Identify the role of articular cartilage: Articular cartilage is a smooth, white tissue that covers the ends of bones where they come together to form joints. It is crucial for the proper functioning of synovial joints.

Examine how articular cartilage reduces stress: Articular cartilage helps to distribute loads and reduce stress on the joint by providing a smooth, lubricated surface for articulation, which minimizes friction and wear.

Explore the concept of weeping lubrication: Articular cartilage stores synovial fluid within its matrix. During joint movement, this fluid is released and reabsorbed, a process known as weeping lubrication, which helps to nourish and lubricate the cartilage.

Consider the protective function of articular cartilage: By lining the ends of bones, articular cartilage prevents the bones from coming into direct contact with each other, reducing the risk of damage and wear to the bone surfaces.