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

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

Anatomy & Physiology

14. The Autonomic Nervous System

Introduction to the Autonomic Nervous System

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Multiple Choice

Parasympathetic and sympathetic axons extend from the ______ to the heart.

skeletal muscles

central nervous system

endocrine glands

lymphatic vessels

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Verified step by step guidance

Step 1: Understand the role of the parasympathetic and sympathetic nervous systems. These are divisions of the autonomic nervous system, which controls involuntary functions such as heart rate, digestion, and respiratory rate.

Step 2: Recall that both parasympathetic and sympathetic axons originate from the central nervous system (CNS). The CNS includes the brain and spinal cord, which serve as the control centers for autonomic functions.

Step 3: Note that skeletal muscles are controlled by the somatic nervous system, not the autonomic nervous system, and are therefore not involved in this process.

Step 4: Recognize that endocrine glands and lymphatic vessels are not the origin points for parasympathetic and sympathetic axons. These structures are influenced by the autonomic nervous system but do not serve as the source of its axons.

Step 5: Conclude that the correct answer is 'central nervous system,' as it is the origin of parasympathetic and sympathetic axons extending to the heart to regulate its activity.