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

6. Bones & Skeletal Tissue

Microscopic Anatomy of Bones - Bone Matrix

Anatomy & Physiology

6. Bones & Skeletal Tissue

Microscopic Anatomy of Bones - Bone Matrix

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Multiple Choice

The exceptional hardness of bones is largely due to the presence of __________.

elastic fibers

calcium only

collagen fibers

calcium phosphate

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Verified step by step guidance

Understand the composition of bone tissue: Bone tissue is composed of both organic and inorganic components. The organic part includes collagen fibers, which provide flexibility and tensile strength.

Identify the inorganic components: The inorganic part of bone is primarily made up of mineral salts, which contribute to the hardness and rigidity of bones.

Focus on calcium phosphate: Calcium phosphate is a key mineral salt found in bones. It forms hydroxyapatite crystals, which are responsible for the exceptional hardness of bones.

Differentiate between collagen and calcium phosphate: While collagen fibers provide some structural support, they do not contribute to the hardness of bones. Calcium phosphate is the primary contributor to bone hardness.

Conclude with the role of calcium phosphate: The presence of calcium phosphate in the form of hydroxyapatite crystals is what largely gives bones their exceptional hardness, making them resistant to compression.