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 Cells

Anatomy & Physiology

6. Bones & Skeletal Tissue

Microscopic Anatomy of Bones - Bone Cells

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Multiple Choice

Which of the following bone cells is primarily responsible for bone resorption?

Osteoclast

Chondrocyte

Osteocyte

Osteoblast

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Verified step by step guidance

Understand the function of each type of bone cell: Osteoblasts are responsible for bone formation, Osteocytes maintain bone tissue, Chondrocytes are involved in cartilage formation, and Osteoclasts are responsible for bone resorption.

Bone resorption is the process of breaking down bone tissue to release minerals like calcium and phosphate into the bloodstream. This is a critical function for maintaining mineral balance in the body.

Osteoclasts are specialized cells that secrete enzymes and acids to dissolve the bone matrix during resorption. They are derived from the same lineage as macrophages, which are immune cells.

Compare the roles of the listed cells: Osteoblasts build bone, Osteocytes maintain bone, Chondrocytes form cartilage, and Osteoclasts break down bone. The correct answer is Osteoclasts because they are directly involved in resorption.

Conclude that Osteoclasts are the primary bone cells responsible for bone resorption, as their function aligns with the process described in the question.