Negative feedback

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15 Terms

1

Blood glucose

The level of glucose in the blood

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2

Pancreas

The organ that monitors blood glucose concentration and produces insulin

<p>The organ that monitors blood glucose concentration and produces insulin</p>
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3

Insulin

Hormone produced by the pancreas which lowers blood sugar

<p>Hormone produced by the pancreas which lowers blood sugar</p>
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4

Glucose

A simple carbohydrate that is essential for respiration but can have negative effects if levels in the body are not controlled

<p>A simple carbohydrate that is essential for respiration but can have negative effects if levels in the body are not controlled</p>
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5

Glycogen

A carbohydrate that acts as an energy and glucose store in animals

<p>A carbohydrate that acts as an energy and glucose store in animals</p>
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6

Glycogen production

Insulin can reduce blood sugar levels by converting glucose into glycogen molecules that are stored in the liver

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7

Increased glucose uptake by cells

Insulin can reduce blood sugar levels by unlocking more cells to receive glucose for respiration

<p>Insulin can reduce blood sugar levels by unlocking more cells to receive glucose for respiration</p>
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8

Liver and muscle cells

Where glycogen is converted and stored

<p>Where glycogen is converted and stored</p>
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9

Glucagon

Hormone released by the pancreas to increase blood glucose, converts glycogen in the liver back into glucose

<p>Hormone released by the pancreas to increase blood glucose, converts glycogen in the liver back into glucose</p>
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10

Negative feedback cycle

Where a change in something brings about a process that causes the opposite effect, keeping levels constant

<p>Where a change in something brings about a process that causes the opposite effect, keeping levels constant</p>
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11

Purpose of negative feedback

To prevent sudden and severe changes within the body and to maintain homeostasis in the body

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12

Glucose and negative feedback

The balance of insulin and glucagon secretions to maintain blood glucose levels

<p>The balance of insulin and glucagon secretions to maintain blood glucose levels</p>
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13

Glucagon negative feedback

If blood sugar levels become too low, glucagon is released to counteract the change

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14

Insulin negative feedback

If blood sugar levels become too high, insulin is released to counteract the change

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15

Blood sugar control via insulin

High concentrations of glucose can be detrimental so should be controlled, the body can detect if levels are too high and signals the pancreas to release insulin to reduce the levels of glucose back to normal

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