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

1. Introduction to Anatomy & Physiology

Feedback Loops

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Feedback Loops

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Multiple Choice

Which of the following are the three common components of a feedback loop?

Sensor, enzyme, substrate

Neuron, synapse, neurotransmitter

Stimulus, hormone, target cell

Receptor, control center, effector

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Verified step by step guidance

Step 1: Understand the concept of a feedback loop in Anatomy & Physiology. Feedback loops are mechanisms used by the body to maintain homeostasis, which is the stable internal environment necessary for survival.

Step 2: Identify the three common components of a feedback loop. These are: the receptor, the control center, and the effector. Each plays a distinct role in detecting changes, processing information, and responding to restore balance.

Step 3: Define the role of the receptor. The receptor is responsible for detecting changes in the environment, such as temperature, pressure, or chemical levels, and sending this information to the control center.

Step 4: Define the role of the control center. The control center, often the brain or another regulatory organ, processes the information received from the receptor and determines the appropriate response to maintain homeostasis.

Step 5: Define the role of the effector. The effector carries out the response determined by the control center, such as contracting a muscle, secreting a hormone, or adjusting blood vessel diameter, to restore balance in the body.