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

4. Tissues & Histology

Introduction to Nervous Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Nervous Tissue

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Multiple Choice

Which cells form myelin sheaths in the spinal cord?

Microglia

Oligodendrocytes

Schwann cells

Astrocytes

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Verified step by step guidance

Understand the role of myelin sheaths: Myelin sheaths are insulating layers that surround nerves, including those in the brain and spinal cord, allowing electrical impulses to transmit quickly and efficiently along the nerve cells.

Identify the location: The problem specifies the spinal cord, which is part of the central nervous system (CNS).

Differentiate between cell types: In the CNS, oligodendrocytes are responsible for forming myelin sheaths, whereas Schwann cells perform this function in the peripheral nervous system (PNS).

Consider the function of other cell types: Microglia are immune cells in the CNS, and astrocytes provide support and nutrition to the nervous tissue, but neither form myelin sheaths.

Conclude with the correct cell type: Based on the location (spinal cord) and function (forming myelin sheaths), oligodendrocytes are the correct cells responsible for this task in the CNS.