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The cells release the glucose into the bloodstream, increasing blood sugar levels. Hypoglycemia, the state of having low blood sugar, is treated by restoring the blood glucose level to normal by the ingestion or administration of dextrose or carbohydrate foods. It is often self-diagnosed and self-medicated orally by the ingestion of balanced meals.
In general, the body controls how much glucose is in the blood relative to how much gets into the cells with two hormones: insulin and glucagon. Insulin is used to reduce blood glucose levels, and glucagon is used to increase blood glucose levels. Both of these hormones are produced by clusters of cells in the pancreas called islets of Langerhans.
This insulin secretion occurs before the blood sugar level rises, lowering the blood sugar level in anticipation of a large influx into the blood of glucose resulting from the digestion of carbohydrates in the gut. [81] Such anticipatory reactions are open loop systems which are based, essentially, on "guess work", and are not self-correcting. [82]
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. [1] It is also defined as the measure of the tendency of a solution to take in its pure solvent by osmosis .
A way a person can test how much glucose (sugar) is in the blood. Also called self-monitoring of blood glucose. See also: Blood glucose monitoring. Homeostasis the operation of body systems which has the effect of keeping assorted conditions in an effectively constant state. Thus, increased water intake leads to increased urine production.
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The fluctuation of blood sugar (red) and the sugar-lowering hormone insulin (blue) in humans during the course of a day with three meals. One of the effects of a sugar-rich vs a starch-rich meal is highlighted. [1] The blood sugar level, blood sugar concentration, blood glucose level, or glycemia is the measure of glucose concentrated in the blood.