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

Which divisions of the autonomic nervous system have antagonistic, or opposing, actions?

Somatic and autonomic divisions

Sensory and motor divisions

Central and peripheral divisions

Sympathetic and parasympathetic divisions

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Verified step by step guidance

Understand the autonomic nervous system (ANS): The ANS is a part of the peripheral nervous system that controls involuntary functions such as heart rate, digestion, and respiratory rate. It is divided into two main branches: the sympathetic and parasympathetic divisions.

Learn the role of the sympathetic division: The sympathetic division is responsible for the 'fight or flight' response. It prepares the body for stressful situations by increasing heart rate, dilating airways, and inhibiting digestion, among other actions.

Learn the role of the parasympathetic division: The parasympathetic division is responsible for the 'rest and digest' response. It promotes relaxation and recovery by decreasing heart rate, constricting airways, and stimulating digestion.

Understand antagonistic actions: The sympathetic and parasympathetic divisions often have opposing effects on the same organs. For example, the sympathetic division increases heart rate, while the parasympathetic division decreases it. This antagonistic relationship helps maintain homeostasis in the body.

Recognize the correct answer: Based on the roles and opposing actions of the sympathetic and parasympathetic divisions, they are the correct answer to the question about which divisions of the autonomic nervous system have antagonistic actions.