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 Heart2h 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

1. Introduction to Anatomy & Physiology

Homeostasis

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Homeostasis

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Multiple Choice

Which of the following is NOT one of the three components of homeostatic control systems?

the effector

the receptor (senses the change)

positive feedback

the control center

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Verified step by step guidance

Understand the concept of homeostasis: Homeostasis is the body's ability to maintain a stable internal environment despite changes in external conditions.

Identify the components of a homeostatic control system: Typically, these systems consist of three main components: the receptor, the control center, and the effector.

Define each component: The receptor senses changes in the environment and sends information to the control center. The control center processes this information and determines the appropriate response. The effector carries out the response to restore balance.

Recognize the role of feedback mechanisms: Homeostatic control systems often use negative feedback to counteract changes, bringing the system back to its set point. Positive feedback, on the other hand, amplifies changes and is not typically a component of homeostatic control systems.

Determine which option is not a component: Given the options, 'positive feedback' is not one of the three main components of a homeostatic control system, as it does not contribute to maintaining stability in the same way as the receptor, control center, and effector do.