Table of contents

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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

Classification of Joints

Anatomy & Physiology

8. Joints

Classification of Joints

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Multiple Choice

Why are there NO blood vessels inside the joint cavity of synovial joints?

Movement would damage the delicate blood vessels.

Hyaluronic acid would react with blood.

Blood would prevent production of articular cartilage.

Blood would pool and limit the movement of the joint.

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Verified step by step guidance

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

Consider the role of synovial fluid: Synovial fluid, which contains hyaluronic acid, acts as a lubricant and shock absorber, facilitating movement and reducing friction within the joint.

Analyze the impact of blood vessels in the joint cavity: If blood vessels were present, the movement of the joint could damage these delicate structures, leading to bleeding and inflammation.

Evaluate the chemical interaction: Hyaluronic acid in the synovial fluid could potentially react with blood, altering the composition and function of the synovial fluid.

Consider the mechanical implications: The presence of blood in the joint cavity could lead to pooling, which would restrict the movement of the joint and impair its function.