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

12. The Central Nervous System

Introduction to the Central Nervous System

Anatomy & Physiology

12. The Central Nervous System

Introduction to the Central Nervous System

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Multiple Choice

The central nervous system consists of which two main structures?

Brain and peripheral nerves

Cranial nerves and spinal nerves

Brain and spinal cord

Spinal cord and sensory receptors

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Verified step by step guidance

Step 1: Begin by understanding the central nervous system (CNS). The CNS is one of the two main divisions of the nervous system, the other being the peripheral nervous system (PNS). The CNS is responsible for processing and integrating information.

Step 2: Recall the primary components of the CNS. The CNS consists of two main structures: the brain and the spinal cord. These structures are enclosed within the skull and vertebral column, respectively, and are protected by meninges and cerebrospinal fluid.

Step 3: Differentiate the CNS from the PNS. The PNS includes cranial nerves, spinal nerves, and sensory receptors, which connect the CNS to the rest of the body. These structures are not part of the CNS.

Step 4: Analyze the options provided in the problem. Eliminate choices that include peripheral nerves, cranial nerves, or sensory receptors, as these are part of the PNS, not the CNS.

Step 5: Confirm that the correct answer is 'Brain and spinal cord,' as these are the two main structures that make up the central nervous system.