How does homeostasis maintain the correct level of glucose in the blood?

Answer 1

Regulation of blood glucose is handled by the body's production of insulin. Insulin moves the glucose that is produced during digestion out of the bloodstream and into cells.

Answer 2

The body maintains homeostasis through the maintainance of glucose.Insulin, secreted by the beta cells of the pancreas, transports glucose to the body's cells, lowering blood glucose levels. Insulin helps to prevent hyperglycemia.
To be able to maintain a constant internal environment in your body, the body shivers and sweats.

Answer 3

The level of glucose in circulation is closely controlled by several enzymes. The most frequently seen examples are short-term regulation peptide hormones insulin and glucagon, and the glucocorticoid cortisol for long-term regulation. In short-term regulation (e.g. lowering amount of glucose in blood after ingesting a meal laden with carbohydrates or increasing amount of glucose in blood sdring fasting), insulin and glucagon are used in antagonistic manners. Insulin is a anabolic hormone in a sense that it promotes uptake of blood glucose into energy-requiring cells, synthesis of glycogen, and general anabolism. Glucagon, on the other hand, is a catabolic hormone in that it promotes breakdown of glycogen into glucose (gluconeogenesis), release of glucose from liver, and general catabolism. The mechanism of release of insulin is typical of the Ca2+->PLC->DAG+IP3 pathway of signal transduction: 1.insulin is produced and stored in beta cells in the Islets of Langerhans in the pancreas 2.when blood glucose levels rise, more glucose enters beta cells through GLUT2 transporter 3.increased glucose causes a surge in ATP levels 4.surge in ATP levels causes dependent potassium channels to close and the membrane to depolarize 5.depolarization causes opening of calcium channels 6.influx of calcium contributes to rise in intracellular [Ca2+] and the activation of phospholipase C, which cleaves membrane phosphatidylinositol to diacylglycerol (DAG) and inositol trisphosphate (IP3) 7.IP3 proceeds to the endoplasmic reticulum to release even more stored calcium 8.once intracellular [Ca2+] reaches critical level, vesicles containing insulin dock and their contents are released to the bloodstream. (it is important to note that many other neuroendocrine factors enhance or inhibit insulin release) The mechanism of action of insulin in target cells are typical of the receptor tyrosine kinase signal cascade model, and it involves complex protein interactions. However, the end result is the activation of anabolic enzymes and translocation of GLUT4 transporters to the cell membrane, allowing cells to increase glucose uptake. Glucagon is produced by alpha cells of the Islets of Langerhans. The release mechanism of glucagon is less well understood as it is controlled by many factors, including the level of insulin. However, the mechanism of action of glucagon is typical of that of a G-protein coupled receptor->cAMP->PKA phosphorylation cascade. The end result is the activation of catabolic enzymes and deactivation of anabolic enzymes.

Answer 4

negative feedback...hormone secretion is triggered by some internal or external stimulus; then rising hormone levels inhibit further hormone release (even while promoting responses in their target organs). As a result, blood levels of many hormones vary only within a very narrow range.

Answer 5

If you have too high level of blood glucose your pancreas will reliese insulin, which will make blood glucose get to fat cells, where it is stored. When you are stressed glucocorticoids will make fat cells reliese glucose into the blood stream. Those are two endocrine pathways I'm aware of, there might and probably are more.

Answer 6

otherwise you would probably qualify as a diabetic and possibly pass out into a coma as a result of too much sugar (glucose) in your bloodstream.

Answer 7

The pancreas produces a the hormone 'insulin', which converts glucose into glycogen, which is stored in the liver. This is how the human body maintains a balanced blood sugar level.