Blood glucose homeostasis summary biochemistry for medics lecture notes 110714 40 glucose homeostasis reflects a balance between hepatic glucose production and. Homeostasis blood sugar and temperature abpi schools. Introduction to homeostasis keeping conditions constant conditions in the body are created and maintained so that enzymecontrolled chemical reactions necessary for all life processes can happen. Once blood sugar levels reach homeostasis, the pancreas stops releasing insulin. Activity for homeostasis and negative feedback loops for blood glucose levels and thermoregulation. Examples of factors controlled by homeostasis include. This video gives examples of negative feedback temperature and blood glucose. Insulin lowers blood glucose by increasing glucose uptake in muscle and adipose tissue and by promoting glycolysis and glycogenesis in liver and muscle. Loss of glucose into urine as excessive amounts of glucose chronic hyperglycaemia in body so not all of it can be reabsorbed. Gcse biology negative feedback lesson element teachers. Essay on the effects of drug abuse case study definition in research ppt blood essay glucose homeostasis cms research paper template case study about earthquake blood essay glucose. Pogil activity 2 blood glucose homeostasis with answer key.
If blood glucose level decreases, the liver controls this drop and increases it the reverse occurs if blood glucose level increases, the liver. Effectors muscles or glands which bring about responses. For example, your body shivers to maintain a relatively constant body temperature when the external environment gets colder. A worksheet and fully complete answer sheet which is aimed at biology students and cover homeostasis including controlling blood glucose levels. Homeostasis refers to the maintenance of relatively constant internal conditions. Elevated levels of blood glucose hyperglycemia lead to spillage of glucose into the urine, hence the term sweet urine. Lesson four genome sciences, education outreach university of. Water levels all homeostatic control systems include. Regulation of blood glucose homeostasis during prolonged. Glucose homeostasis relies on the balance and interaction between glucose and insulin. Loss of glucose into urine as excessive amounts of glucosechronic hyperglycaemia in body so not all of it can be reabsorbed. It provides the students an opportunity to solidify their understanding of the role of insulin, glucagon, and glucose in maintenance of blood glucose levels and cellular requirements.
Homeostasis worksheets can be used as worksheets or in a minibook style with easy to follow assembly instructions. Feedback loops insulin and glucagon worksheet answers. Apr 22, 2020 glucose homeostasis relies on the balance and interactions of two hormones insulin and glucagon to maintain a healthy blood glucose level. This video gives examples of negative feedback temperature. In order to set the system in motion, a stimulus must drive a physiological parameter beyond its normal range that is, beyond homeostasis. Homeostatic control of blood glucose levels essay bartleby. This worksheet will be completed by students during the glucose regulation activity. Homeostatic control of blood glucose levels glucose is an essential substance in the body as it is the primary source of energy for all biological functions and is indeed the only form of energy which can be used by the brain and central nervous system. Aug 20, 2012 blood glucose homeostasis hormonal regulation and clinical significance slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Homeostasis worksheet this worksheet accompanies glucoregulation. Homeostasis worksheet by smcdonnell1 teaching resources tes from homeostasis worksheet, source homeostasis worksheet middle school free. For example, your body shivers to maintain a relatively constant body temperature when the external. While external conditions may change, the human body must maintain a reasonably constant environment for cells, tissues and organs to continue to. Watch a short video about glucose regulation and diabetes 3. Prior teaching about the control of blood sugar levels and. Sep 07, 2017 explore homeostasis with the amoeba sisters and learn how homeostasis relates to feedback in the human body. Examine the graphic below to understand how this feedback. If blood glucose level decreases, the liver controls this drop and increases it the reverse occurs if blood glucose level increases, the liver controls this elevation and decreases it through. For this homeostasis worksheet, students sketch and label graphs showing homeostasis for the following conditions. This activity examines blood glucose regulation and why it is necessary to maintain homeostasis. To maintain homeostasis, your body adapts two types of feedback mechanisms. Cells will not be able to process glucose for energy if the concentrations of oxygen in the blood are not high enough.
Both type 1 and type 2 diabetes will have higher than normal blood glucose levels in the body. Practice questions look at the role of hormones and glucagon and. Blood glucose homeostasis hormonal regulation and clinical significance slideshare uses cookies to improve functionality and performance, and to provide you with. Which hormone reduces the level of glucose in the blood. This is a more challenging worksheet and looks at blood sugar level with reference to diabetes. Time blood glucose mdl 0 100 1 hour later 120 2 hours later 110 3 hours later 90. Answer the following questions about maintaining body temperature. Nov 17, 2017 homeostasis worksheet by smcdonnell1 teaching resources tes from homeostasis worksheet, source homeostasis worksheet middle school free worksheets library from homeostasis worksheet, source worksheet eal literacy worksheets human body organization and from homeostasis worksheet, source. Practice questions look at the role of hormones and glucagon and compare. Both file types include a teachers key while covering homeostasis. Check your understanding of homeostasis of blood glucose levels and diabetes with this quiz. However, faculty members should be aware that blood glucose regulation is not without its downsides as a representative example of homeostatic regulation. For example, in the control of blood glucose, specific endocrine cells in the pancreas detect excess glucose the stimulus in the bloodstream. The ideal level of blood glucose is 80 90mg of glucose per 100mls of blood.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Diabetes is a condition where the body cannot regulate its blood glucose. Get this resource as part of a bundle and save up to 22%. Blood glucose regulation worksheet for a level homeostasis tes. A man with heart disease has pressure monitored closely. Type 2 diabetes genome sciences education outreach. This control is brought about by the pancreas, an organ which makes enzymes for the digestive system and hormones to control the blood glucose levels. Teacher notes and handson activity for homeostasis. Both have the same components of a stimulus, sensor, control center, and effector. Both file types include a teachers key while covering homeostasis basics, control center, receptor, effector, negative and positive feedback.
The concentration of glucose must be carefully regulated at all times. Homeostasis is the activity of cells throughout the body to maintain the physiological state within a narrow range that is compatible with life. Homeostasis is the regulation of conditions in the body such as temperature, water content and carbon dioxide levels. Apr 22, 2015 a worksheet and fully complete answer sheet which is aimed at biology students and cover homeostasis including controlling blood glucose levels. During prolonged starvation, the liver is the source of both glucose and the ketone bodies required by the brain to replace glucose. Any disruption that changes a controlled condition is called a stimulus. Endocrine regulation of glucose metabolism rosehulman. Jun 30, 2007 the maintenance of blood glucose homeostasis depends on the coordination and integration of several physiological systems, including the sympathetic nervous system and the endocrine system. Homeostatic control of blood glucose levels glucose is an essential substance in the body as it is the primary source of energy for all biological functions and is indeed the only form of energy. The regulation of blood glucose levels is impaired in people with diabetes. Other things that influence the blood glucose concentrations are the conversion of noncarbohydrates to glucose by gluconeogenesis, oxidation of glucose by respiration which puts. Displaying all worksheets related to blood glucose. This worksheet shows a graphic of how insulin and glucagon work opposite each other to maintains the blood glucose levels at a set point. Students model blood glucose homeostasis using a game board and pasta pieces to simulate how blood glucose levels are regulated by the hormones insulin.
This doublesided worksheet consists of 9 comprehension and recall. Its concentration is therefore strictly controlled within the range 0. Nov 07, 2014 blood glucose homeostasis summary biochemistry for medics lecture notes 110714 40 glucose homeostasis reflects a balance between hepatic glucose production and peripheral glucose uptake and utilization. Complete the following sentences about the effect of diet on level of glucose in the blood by selecting the correct words. Graph the data in the space provided and or positive feedback 98. During prolonged starvation, the liver is the source of both glucose and the ketone bodies required by the brain to replace. The maintenance of blood glucose homeostasis depends on the coordination and integration of several physiological systems, including the sympathetic nervous system and. There is excesive sweating and sweet tasting urine. Control of blood glucose control of blood oxygene and carbondioxide levels. Temperature homeostasis thermoregulation biologymad alevel. Introduction to homeostasis keeping conditions constant conditions in the body are created and maintained so that enzymecontrolled chemical reactions necessary for all life processes can. Other things that influence the blood glucose concentrations are the conversion of noncarbohydrates to glucose by gluconeogenesis, oxidation of glucose by respiration which puts glucose to energy as well as a few more biology, 2006.
If you continue browsing the site, you agree to the use of cookies on this website. Too much glucose in the blood can cause water to move out of the cells by osmosis. Type 2 diabetes is the result of chronic high blood glucose and can develop. Understanding the processes behind the regulation of blood glucose. It is not easy to identify or explain the operation of the glucose sensor, the set point, and the controller involved in glucose homeostasis. Under normal circumstances, the body is able to balance the amount of glucose, or sugar, in the blood with the amount of glucose that the cells need for fuel. Homeostasis test questions gcse biology single science. Explore homeostasis with the amoeba sisters and learn how homeostasis relates to feedback in the human body.
Blood glucose homeostasis essay lawton printing services. A physiologists view of homeostasis pubmed central pmc. Graph and interpret cdc data for diabetes prevalence and obesity prevalence 2. Homeostasis is regulated by negative feedback loops and, much less frequently, by positive feedback loops. Label your axes a patients body temperature was recorded over a 24hour period the temperature in the table below. Her blood glucose is measured over a period of time.
Diabetes mellitus is a disorder of the endocrine system that causes a high concentration of glucose in the blood. Blood glucose homeostasis glucose is the transport carbohydrate in animals, and its concentration in the blood affects every cell in the body. T f the pancreas produces a second hormone glucagon. Any disruption that changes a controlled condition is called a. Homeostasis including controlling blood glucose levels tes. Homeostasis worksheet 3 1 stimulussecretion coupling is the phenomenon whereby upon certain stimulation, a cell such as a neurone or endocrine tissue releases, or secretes, a. It provides the students an opportunity to solidify their. Insulin is the most important regulator of this metabolic equilibrium. The normal range for blood glucose is 70110 mdl the normal range for blood ph is 7.
The oral glucose tolerance test ogtt the oral glucose. Schematic representation of relationship between blood glucose and insulin level in blood during periods of eating and fasting. Homeostasis worksheet 3 1 stimulussecretion coupling is the phenomenon whereby upon certain stimulation, a cell such as a neurone or endocrine tissue releases, or secretes, a substance extracellularly, such as a neurotransmitter or a hormone. Diabetes is a condition where the body cannot regulate its blood glucose levels. This is accomplished by the finely hormone regu lation of peripheral glucose uptake, heaptic. Here we shall look at three more examples of homeostasis in detail. The pretest and answer key are available in pdf format at the quiz. T f insulin allows glucose to move from the blood into the cells. Chapter 5 endocrine regulation of glucose metabolism overview. The human body functions through a series of negative feedback pathways. View pogil activity 2 blood glucose homeostasis with answer key. Worksheets are 2009 students work, jdrf kids walk to cure diabetes classroom toolkit, chapter 7 blood sugar. Jul 20, 2015 however, faculty members should be aware that blood glucose regulation is not without its downsides as a representative example of homeostatic regulation. Too little glucose can leave one feeling weak and dizzy.
1641 117 361 1414 1332 188 1033 488 347 774 564 254 1514 1086 518 342 758 1065 158 835 1089 89 838 1250 208 942 1157 93 805