B1 Staying in balance

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What are hormones?
chemical messages released by glands directly into the blood stream
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Where do hormones travel around the body to?
their target organs
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What do hormones travel much slower than?
a nervous impulse, which is an electrical message directly to the target organs
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What are the main glands which produce hormones?
pituitary glands, thyroid glands, pancreas, adrenal glands, ovary (female), testes (male)
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What is insulin?
a hormone released by the pancreas to control blood sugar levels
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How does insulin travel?
in the blood
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What is type 1 diabetes caused by?
pancreas failing to produce insulin
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What can the pancreas failing to produce insulin lead to?
blood sugar levels rising fatally high and resulting in a coma or death
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In type 1 diabetes what does injecting insulin do?
controls the blood sugar
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What does type 2 diabetes affect?
the cells that respond to insulin
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What do the cells become in type 2 diabetes =?
desensitised to insulin and so not respond
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How is type 2 diabetes usually treated?
By diet
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What does insulin help to regulate?
a persons blood sugar levels
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How does insulin help to regulate a persons blood sugar levels?
by converting excess glucose in the blood to glycogen in the liver
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when may people with diabetes need too inject insulin?
before meals
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why do people with diabetes test the amount of sugar in there blood?
if they have had food containing a lot of sugar then a bigger amount of insulin is required to reduce the blood sugar level. ( if the intend to exercise then a smaller dose is required)
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Card 2

Front

Where do hormones travel around the body to?

Back

their target organs

Card 3

Front

What do hormones travel much slower than?

Back

Preview of the front of card 3

Card 4

Front

What are the main glands which produce hormones?

Back

Preview of the front of card 4

Card 5

Front

What is insulin?

Back

Preview of the front of card 5
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