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

Review of the Sympathetic and Parasympathetic Divisions

Anatomy & Physiology

14. The Autonomic Nervous System

Review of the Sympathetic and Parasympathetic Divisions

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Multiple Choice

Why do people need both the sympathetic and parasympathetic systems?

To allow the body to function without any need for external stimuli.

To maintain homeostasis by balancing the body's response to stress and relaxation.

To ensure the body can only respond to stress effectively.

To prevent the body from entering a state of rest.

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Verified step by step guidance

Understand the role of the autonomic nervous system, which includes both the sympathetic and parasympathetic systems. These systems work together to regulate involuntary body functions such as heart rate, digestion, respiratory rate, and more.

Recognize that the sympathetic system is responsible for the 'fight or flight' response, preparing the body to respond to stress or danger by increasing heart rate, dilating airways, and mobilizing energy stores.

Learn that the parasympathetic system is often referred to as the 'rest and digest' system. It promotes relaxation and recovery by slowing the heart rate, increasing digestion, and conserving energy.

Explore the concept of homeostasis, which is the body's ability to maintain a stable internal environment despite external changes. Both systems are crucial for maintaining homeostasis by balancing responses to stress and relaxation.

Consider how the interplay between these systems allows the body to adapt to different situations, ensuring that it can respond to stress effectively while also being able to relax and recover when needed.