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

Which of the following best describes the function of the spinal cord?

It filters waste products from the blood.

It pumps oxygenated blood throughout the body.

It produces hormones that regulate metabolism.

It transmits information between the brain and the rest of the body and coordinates reflexes.

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Verified step by step guidance

Step 1: Begin by identifying the spinal cord's anatomical location and its role within the central nervous system (CNS). The spinal cord is a cylindrical structure that extends from the brainstem down through the vertebral column, protected by the vertebrae.

Step 2: Understand the primary function of the spinal cord. It serves as a communication highway, transmitting sensory information from the body to the brain and motor commands from the brain to the body. This bidirectional flow of information is essential for voluntary and involuntary actions.

Step 3: Explore the spinal cord's role in reflexes. Reflexes are automatic, rapid responses to stimuli that do not require input from the brain. The spinal cord coordinates these reflexes by processing sensory input and generating motor output directly.

Step 4: Compare the spinal cord's function to the incorrect options provided in the question. Filtering waste products from the blood is the function of the kidneys, pumping oxygenated blood is the role of the heart, and producing hormones to regulate metabolism is the function of endocrine glands like the thyroid.

Step 5: Conclude that the correct answer is: 'It transmits information between the brain and the rest of the body and coordinates reflexes,' as this accurately describes the spinal cord's function within the nervous system.