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

8. Joints

Introduction to Joints

Anatomy & Physiology

8. Joints

Introduction to Joints

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Multiple Choice

What characteristic makes synovial joints structurally weaker than other joints in the body?

They are connected by dense fibrous connective tissue.

They lack any movement between the bones.

They have a joint cavity filled with synovial fluid.

They are fused together by cartilage.

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Verified step by step guidance

Understand the structural features of synovial joints: Synovial joints are characterized by the presence of a joint cavity filled with synovial fluid, which allows for a wide range of motion.

Compare synovial joints to other types of joints: Other joints, such as fibrous joints, are connected by dense fibrous connective tissue, or cartilaginous joints, which are fused together by cartilage. These structures provide more stability but less mobility.

Analyze the relationship between mobility and structural weakness: The joint cavity in synovial joints creates a space between the articulating bones, reducing direct contact and structural reinforcement, which makes them more prone to dislocation or injury compared to other joint types.

Consider the role of synovial fluid: Synovial fluid reduces friction and facilitates movement, but the presence of a cavity inherently reduces the structural integrity of the joint compared to joints that are tightly bound by connective tissue or cartilage.

Conclude why synovial joints are structurally weaker: The joint cavity filled with synovial fluid is the key characteristic that makes synovial joints structurally weaker, as it prioritizes mobility over stability.