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Can you think of an example other than body heat where a negative feedback loop is utilized with the body?
Wiki User
∙ 9y ago
Increased blood sugar will cause insulin production to rise and the cells will store the excess sugar, increased blood pressure causes a slower heart rate and decrease in oxygen levels will increase red blood cell production.
Wiki User
∙ 9y ago
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How are negative and positive feedback involved in homeostatic regulation?
Negative feedback occurs when the output of a system reacts to cancel out the effects of an input of a system, as opposed to positive feedback (in which the actions/output is intensified or increased). The more negative, the more stable. Thus, with things being canceled out, the body maintains homeostasis. An example of negative feedback in action is the maintenance of blood glucose levels and body temperature. With input of sugar, insulin is released to stabilize the body (on the other hand, without insulin, diabetes can be diagnosed). With a raise in body temperature, blood vessels and pores are opened to release heat.
How does negative feedback mechanism and positive feedback differ?
A negative feedback will stabilize an amplifiers positive feed back will force the amplifier to either saturated state. this will hold true for a system too. A more general answer follows. 1. Feedback: Getting information about what just happened and responding to it. 2. Negative Feedback: The response lessens the output. 3. Positive Feedback: The response increases the output.
Is breathing an example of positive feedback?
no; breathing in is an example of negative pressure caused by the contraction of the diaphragm. followed by breathing out, which is cause by movement of air from high pressure to low when the diaphragm relaxes
Are blood glucose levels regulated by positive feedback?
No, blood glucose concentration is regulated by negative feedback. When blood sugar levels are too high, the alpha particles in the pancreas' islets of Langerhans signal the pancreas to produce more insulin, which regulates the sugar level by stimulating the liver and other body cells to absorb more glucose at convert it into either glycogen or fat. This lowers the blood sugar concentration. If it were positive feedback, high blood sugar levels would encourage the production of more glucose to increase the blood sugar concentration.
What effect does negative feedback have on homeostasis?
Imagine this process in the body: The brain tells your stomach to release chemical A. Chemical A causes Chemical B to be released. Chemical B has an effect on your body. Chemical B also tells the brain to stop releasing Chemical A. The negative feedback is Chemical B telling the brain to stop. If the brain keeps releasing chemical A, then chemical B will keep being released and do things to your body and it would never stop. This creates an imbalance. Therefore, the end products of any reaction in the body tell the source to
What is the difference between positive feedback and negative feedback?
Positive feedback speeds up reactions while negative feedback slows them down. Positive feedback goes with the force that put the body out of homeostasis in order to get it over faster. For example, during childbirth, the body goes with it in order to get it over faster so that the body can return to homeostasis. On the other hand, negative feedback opposes the action. For example if your body temperature drops, your receptors in your body send a message to your brain to tell it your cold. Your brain then sends a message to your muscles to shiver to help warm you up.
How does negative feedback work?
To remove the distortion ... ANSWER: It does not reduce distortion but rather make the circuit stable. There can be distortion even with negative feedback by bad design in other word feedback does not reduce distortion.
What is output feedback design?
A: A system ideally should have infinite gain but if that is so then it will saturate to one state or the other Feedback [negative] insure that will not happen the feedback will control the saturation making it stable.
What is the difference between positive and negative feedback cycles?
Most of our bodies systems run on negative feedback. This means, for example, say you are hungry. Your body produces and releases a signal and when you are fed, your body realizes it needs to stop making you feel hungry. So other hormones/signals are released to quiet down the initial one. Very few of ourbodies systems run on positive feedback. One example is labor contractions. A signal is given in the body to have a small contraction, that contraction happens and instead of the body saying "okay mission accomplished" and quiteig down the first signal (like in negative feedback) it actually INCREASES the amount of the initial signal so you get more and more powerful contractions. Hope I explained that so you understand it!
How are negative and positive feedback involved in homeostatic regulation?
Negative feedback occurs when the output of a system reacts to cancel out the effects of an input of a system, as opposed to positive feedback (in which the actions/output is intensified or increased). The more negative, the more stable. Thus, with things being canceled out, the body maintains homeostasis. An example of negative feedback in action is the maintenance of blood glucose levels and body temperature. With input of sugar, insulin is released to stabilize the body (on the other hand, without insulin, diabetes can be diagnosed). With a raise in body temperature, blood vessels and pores are opened to release heat.
How does negative feedback mechanism and positive feedback differ?
A negative feedback will stabilize an amplifiers positive feed back will force the amplifier to either saturated state. this will hold true for a system too. A more general answer follows. 1. Feedback: Getting information about what just happened and responding to it. 2. Negative Feedback: The response lessens the output. 3. Positive Feedback: The response increases the output.
What is the difference between positive feedback control system negative feedback control system?
Positive feedback speeds up reactions and negative feedback slows them down. In electronics and control systems, positive feedback means the feedback gets added to the input and then goes as output. And negative feedback means that the output is input minus feedback (from output). This is the most basic and layman answer I can think of. In social and business terms, a positive feedback means a good response ( a praise for a product, or interest generation among the clients) and a negative feedback means a bad response (unhappy clients, criticism and the like ).
Why is feedback useful?
So u can understand the subject/person better
Has Spearmint Rhino received a lot of negative feedback?
"Yes, feminist groups are constantly giving spearmint rhino and many other gentleman's clubs negative feedback. Most of the reviews posted online by people who frequent the place seem to be complimentary."
Why do you feedback?
A: Follow this the amplifier has infinite gain. So any input will slew it to either power supply buss as saturated. Now take this saturated signal and feed it back to the input since the feedback is negative in nature to the input it will force the output to reverts to the other buss voltage. But the since negative feedback is a proportion of the output signal it will reach a point where it is stabilized and linear. That is the intention of negative feedback feed back some output signal to stabilize to a happy stability or linear with reduced feedback of course
What are some examples of a positive feedback loop and a negative feedback loop?
The most common by far is negative feedback, pretty much every hormone works through negative feedback. Take for example tiroxine: low levels of tiroxine induce production of TRH and TSH which in time increase production of tiroxine, and when the levels of tiroxine are high, it lowers the production of TRH and TSH, lowering production of tiroxine as well. Another example would be insulin: when blood sugar levels rise, the pancreas produces more insulin, and once it takes effect and blood sugar levels lower, the pancras stops the increased production. Positive feedback on the other hand is more rare, an example would be childbirthing, when the baby stretches the cervix, it induces production of oxytocin in the pituitary gland, which causes the contractions of the uterus, pushing the baby out and stretching the cervix even more, making the pituitary gland produce even more oxytocin
Why feedback amplifier is used?
transitors amplify signals in a very non-linear fashion. somehow (i don't know how), adding in the negative output of the transistor (negative feedback loop) makes the output much more linearmostly for stabilization, but there can be other reasons in specific cases.
