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If high blood pressure is at play then a negative feedback system would reverse this. Through this negative feedback the stimulus of increased pressure is reversed or decreased by decreasing heart rate which decreases the blood pressure.
If low blood pressure is at play the negative feedback system would also be appropriate because your body needs to reverse this stimulus. Your heart rate would increase to increase blood pressure.
NOTE: Positive Feedback system enhances or further intensifies the stimulus so we would not want that for blood pressure. This is seen for birth contractions. You want to intensify contractions to enable the baby to get out of the canal. However, usually you need some external event to turn off the positive feedback or it could be fatal. In this case the baby is born so that stops the contractions.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoIt's meant to be positive, but it doesn't feel that way. Just another thing that controls your life. I resent it. It hurst my fingers[ those arm -stick things don't work very well on me] , and it makes me feel guilty .
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What are the feedback mechanisms that regulate hormone levels in the body?
Positive and negative feedback
What is a negative feedback regulation of a hormone?
Put simply, negative feedback is the process by which a change is detected and then an action occurs to neutralise the change, i.e. negatively affect the change.For example, if blood glucose receptors measure a high amount of glucose in the blood, the the beta cells of the islets of langahans secrete insulin which increases glucose uptake and jump starts glycogenesis, ultimately decreasing the blood glucose levels.
What are the 4 conditions of homeostasis?
Four things that need to be maintained for homeostasis in the body is internal regulation, the ability to regulate pH. levels, regulation of blood pressure and regulation of glucose levels. Homeostasis overall is the balance of things that makes an organism well.
How does the feedback control system for insulin production work?
The control of blood glucose levels operates by what is known as a negative feedback mechanism. Here is a summary of the 2 control loops.When the blood glucose level goes upBlood sugar (glucose) rises;The pancreas detects the rise;The pancreas pumps out insulin into the blood;Insulin helps the uptake of glucose into muscles and other cells;This causes the blood glucose level to fall to its normal set point; andThe pancreas detects the fall and switches off insulin production.When the blood glucose level goes downBlood sugar (glucose) drops;The pancreas detects the drop in blood sugar;The pancreas switches on the output of glucagon into the blood;Glucagon signals the liver to break down glycogen into glucose;The liver releases glucose into the bloodstream;Blood glucose goes up to its normal set point; andThe pancreas detects the rise in blood sugar and switches off glucagon release.
When a system brings abnormal body variable levels back to normal Is Called?
This process is called negative feedback. There are only two that are positive: childbirth and blood clotting. Negative feedback keeps things in balance.
How does negative feedback control hormone levels?
you grow
How does the pancreas control the levels of sugar in your blood?
Negative feedback, opposing to positive feedback, stops a reaction, rather than promoting a reaction. Insulin, secreted from the pancreas, is a hormone that regulates blood sugar levels, and it tells your body to make more glucose for your blood. When you eat, the glucose comes in and adds more to what you already have. The glucose level of your body rises, telling the pancreas to stop secreting insulin and telling your body to stop making more glucose, producing a negative feedback.
What is the negative -feedback mechanism?
The body has several negative feed back mechanisms. In negative feedback loops our body will seek to reverse th direction of a stimulus. Meaning our body dislikes the stimulus, it will attempt to reverse it. Some examples: blood pressure, temerature control, blood glucose levels.
What is meant by negative feed back related to homeostasis?
Negative feedback mechanisms work to self-regulate levels of certain substances within the body. Usually this occurs as a substance is produced when levels become too low, then as the levels begin to rise the substance being released inhibits its own production so that the levels do not get too high. For example when body temperature begins to rise the body will bring about a set of reactions (sweating etc) to put temperature back to normal when temperature is at normal levels negative feedback puts a stop to these reactions so that temperature does not then continue falling. Another negative feedback mechanism with hormones is where the substance the hormones control causes the negative feedback, e.g. when glucose levels are high insulin is released but when glucose levels are at normal levels the insulin is no longer produced.
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 are the feedback mechanisms that regulate hormone levels in the body?
Positive and negative feedback
What is a negative feedback regulation of a hormone?
Put simply, negative feedback is the process by which a change is detected and then an action occurs to neutralise the change, i.e. negatively affect the change.For example, if blood glucose receptors measure a high amount of glucose in the blood, the the beta cells of the islets of langahans secrete insulin which increases glucose uptake and jump starts glycogenesis, ultimately decreasing the blood glucose levels.
Negative feedback with increase in blood glucose?
negative feedback can increase the concentration of glucose in the blood stream. if the blood glucose levels are too low, alpha cells will produce glucagon which causes the liver to break glycogen down into glucose. it is then released into the blood stream which increase the blood glucose levels.if it is too high, the beta cells will produce insulin which causes the liver and muscle cells to form glycogen from glucose. In addition, other cells are encouraged to use glucose in cell respiration rather than fats.both the beta and alpha cells are produced from the pancreas.
How do diabetics control their glucose levels?
pahd
6 A negative feedback response in the regulates blood sugar levels?
kydneys
What is the role of insulin?
To control the blood/glucose levels.
What are example of negative feedback?
Here are two examples: the rate of respiration is driven by the concentration of CO2 in the blood. Since increasing the rate of breathing lowers the concentration of CO2 the same thing (C02) that increases the rate of breathing also shuts it down. Another example is the relationship between glucose and insulin. Insulin release is triggered from the Beta cells in the pancreas by the concentration of glucose which acts to sequester glucose in the liver and in muscle tissue, and then a negative control loop terminates the release of insulin after glucose levels return to normal.
