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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which of the following structures is responsible for protecting the spinal cord and consists of three layers called the dura mater, arachnoid mater, and pia mater?

Spinal meninges

Vertebral body

Spinal nerve

Intervertebral disc

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the spinal cord and its protective structures. The spinal cord is a vital part of the central nervous system, and it requires protection from physical damage and infections.

Step 2: Learn about the spinal meninges, which are the three protective layers surrounding the spinal cord. These layers are the dura mater (outermost layer), arachnoid mater (middle layer), and pia mater (innermost layer). Together, they provide structural support and protection.

Step 3: Compare the spinal meninges to the other options provided in the question. The vertebral body is part of the vertebrae that encases the spinal cord but is not composed of the three layers mentioned. Spinal nerves are peripheral nerves that branch off the spinal cord, and intervertebral discs are cartilage structures between vertebrae that provide cushioning.

Step 4: Recognize that the spinal meninges are the only structure in the options that consist of the three layers: dura mater, arachnoid mater, and pia mater. This makes them the correct answer.

Step 5: Conclude that the spinal meninges are responsible for protecting the spinal cord and consist of the three layers mentioned in the question.