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Questions and Answers
What is the definition of Homeostasis?
What is the definition of Homeostasis?
What is a Receptor in the context of homeostasis?
What is a Receptor in the context of homeostasis?
The system that receives the stimulus.
What is the role of the Control Center in homeostasis?
What is the role of the Control Center in homeostasis?
Processes the signal from the receptor and sends instructions to the effector.
What does an Effector do?
What does an Effector do?
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What is Autoregulation?
What is Autoregulation?
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What is Extrinsic Regulation?
What is Extrinsic Regulation?
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Negative feedback increases the stimulus to bring the body back to homeostasis.
Negative feedback increases the stimulus to bring the body back to homeostasis.
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Positive feedback moves the body away from homeostasis.
Positive feedback moves the body away from homeostasis.
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What does Systems Integration refer to in homeostasis?
What does Systems Integration refer to in homeostasis?
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What is Dynamic Equilibrium?
What is Dynamic Equilibrium?
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Study Notes
Homeostasis
- A state of equilibrium where all body systems collaborate to maintain a stable internal environment.
Receptor
- The component in homeostasis that detects and receives stimuli from the environment.
Control Center
- Processes the signals from the receptor and issues instructions to the effector to respond accordingly.
Effector
- The system responsible for executing the instructions given by the control center, effecting changes to restore balance.
Autoregulation (Intrinsic)
- Refers to automatic responses occurring in cells, tissues, or organs to adapt to environmental changes without external influence.
Extrinsic Regulation
- Regulation that is mediated through the nervous and endocrine systems, involving external control over responses.
Negative Feedback
- A mechanism where the effector's response counteracts the initial stimulus, helping to return the body to normal ranges (e.g., sweating in response to increased body temperature).
Positive Feedback
- A process where the effector's response intensifies the initial stimulus, pushing the body further away from homeostasis (e.g., increased uterine contractions during childbirth).
Systems Integration in Homeostasis
- Multiple body systems operate in concert to maintain homeostasis; failure in this integration can lead to disease or death.
Dynamic Equilibrium
- The concept of continual adaptation to changing conditions while still maintaining overall stability within the internal environment.
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Description
Explore the essential concepts of homeostasis through flashcards. This quiz focuses on various definitions and systems crucial for maintaining internal equilibrium, including receptors and control centers. Test your knowledge on negative and positive feedback mechanisms as well.
