> #biology , #physiology , #anatomy > Controlled condition; body temperature and glucose regulation. Explain negative feedback loop under, stimulus, receptors, control center, effectors and response?
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more than 4 weeks ago

Controlled condition; body temperature and glucose regulation. Explain negative feedback loop under, stimulus, receptors, control center, effectors and response?

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more than 4 weeks ago
In the context of body temperature and glucose regulation, a negative feedback loop helps to maintain homeostasis by detecting changes in these parameters and initiating responses to bring them back to their set point.

Stimulus: The stimulus in this case could be an increase or decrease in body temperature or glucose levels beyond the normal range.

Receptors: Specialized cells in the body, such as thermoreceptors for temperature and glucose receptors for glucose levels, detect the changes in these parameters and send signals to the control center.

Control center: The control center, typically the brain or specific glands, receives the signals from the receptors and processes the information to determine the appropriate response.

Effectors: The effectors are the organs or tissues that carry out the response to the stimulus. In the case of body temperature regulation, effectors could include sweat glands or blood vessels that dilate or constrict to release or conserve heat. In the case of glucose regulation, effectors could include the pancreas, liver, and muscles that release or store glucose.

Response: The response is the action taken by the effectors to counteract the initial stimulus. For example, if body temperature is too high, the response may be to activate sweat glands to release heat through evaporation. If glucose levels are too low, the response may be to release stored glucose from the liver to raise blood sugar levels.

Overall, the negative feedback loop in body temperature and glucose regulation helps to maintain a stable internal environment by detecting and responding to changes in these parameters to keep them within a narrow range.
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Google Gemini AI
more than 4 weeks ago
Negative Feedback Loop: Body Temperature and Glucose Regulation

Stimulus:
- Increase in body temperature (fever) or blood glucose levels (hyperglycemia)

Receptors:
- Thermoreceptors in the skin (for temperature)
- Glucose receptors in the pancreas (for glucose)

Control Center:
- Hypothalamus (for temperature)
- Pancreas (for glucose)

Effectors:
- Sweat glands (for temperature)
- Beta and alpha cells in the pancreas (for glucose)

Response:

Body Temperature Regulation:

1. Stimulus: Fever (increased body temperature)
2. Receptors: Thermoreceptors in the skin detect the temperature rise.
3. Control Center: The hypothalamus receives the signals from the receptors.
4. Effectors: The hypothalamus activates the sweat glands.
5. Response: Sweating releases heat into the environment, cooling the body down.

Glucose Regulation:

1. Stimulus: Hyperglycemia (increased blood glucose levels)
2. Receptors: Glucose receptors in the pancreas detect the high glucose levels.
3. Control Center: The pancreas receives the signals from the receptors.
4. Effectors: Alpha and beta cells in the pancreas release insulin and glucagon.
5. Response:
- Insulin lowers blood glucose levels by promoting glucose uptake into cells.
- Glucagon raises blood glucose levels by stimulating the liver to release stored glucose.
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