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What hormone is released from the pancreas at a higher rate during exercise to mobilize liver glucose and adipose tissue fatty acids?
glucagon ha, 275?
Explain what effects the changes in insulin concentration have on glucose mobilization during exercise?
During exercise, changes in insulin concentration can affect glucose mobilization by stimulating glucose uptake in muscles. When insulin levels decrease during fasting or intense exercise, there is reduced inhibition of glycogen breakdown and increased release of glucose from the liver to maintain blood glucose levels. Conversely, high insulin levels during rest or fed state promote glucose uptake by tissues, decreasing reliance on liver glucose release.
What part of the body is glycogen stored in?
IntestinesCORRECTION:Muscles contain the most glycogen-- the storage form of glucose-- in the body. The liver comes next.
What cells are able to glucose from lactate?
Liver cells (hepatocytes) and kidney cells can convert lactate into glucose through a process called gluconeogenesis. This process is particularly important during periods of fasting or intense exercise when glucose levels are low. Lactate, produced by anaerobic metabolism in muscles, is transported to the liver, where it is converted back into glucose, which can then be released into the bloodstream to maintain energy levels.
What is the chief storehouse of glucose?
The chief storehouse of glucose in the body is the liver. Glucose can be stored in the liver in the form of glycogen and released into the bloodstream when needed to maintain blood sugar levels.
The Cori cycle involves the interconversion of?
lactate and glucose between the muscle and liver. During intense exercise, skeletal muscles produce lactate, which is sent to the liver to be converted back into glucose through gluconeogenesis. This glucose is then transported back to the muscles for energy production.
What is Glycogen converted into when it leaver the liver?
Glycogen is converted into glucose when it leaves the liver. This glucose can then be released into the bloodstream to be used by other tissues in the body.
Glycerol is converted to glucose in which part of the body?
Glycerol is primarily converted to glucose in the liver. It undergoes a process called gluconeogenesis, where glycerol is transformed into glucose to help maintain blood sugar levels, especially during periods of fasting or strenuous exercise. This conversion takes place in the cytoplasm of liver cells.
How does epinephrine and norepinephrine affect plasma glucose and why is it important during exercise?
Epinephrine and norepinephrine increase plasma glucose levels by stimulating glycogenolysis and gluconeogenesis in the liver, as well as promoting the release of glucose from adipose tissue. This elevation in blood glucose is crucial during exercise, as it provides a readily available energy source for working muscles. Additionally, these hormones enhance the mobilization of fatty acids, which further supports energy production during prolonged physical activity. Together, they ensure that the body meets the heightened energy demands of exercise.
What does the liver do with lactic acid if blood glucose level is high?
When blood glucose levels are high, the liver converts lactic acid into glucose through a process called gluconeogenesis. This process helps to regulate blood sugar levels by using lactic acid as a substrate to produce additional glucose, which can then be released into the bloodstream or stored as glycogen. This conversion is particularly important during periods of high energy demand or after intense exercise when lactic acid levels may rise.
Is it true that your liver beats faster when you exercise?
No, the heart beats faster during exercise. The liver doesn't beat at all.
What Animals store glucose in the form of in liver and muscle cells?
Animals store glucose in the form of glycogen in their liver and muscle cells. Glycogen is a polysaccharide that serves as a readily accessible energy reserve, allowing for quick mobilization during periods of increased energy demand, such as exercise. When glucose is needed, glycogen can be broken down into glucose molecules through a process called glycogenolysis.
