Biology-The endocrine System

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What are hormones?
Chemical molecules relesed directly into the blood.
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Where are hormones produced?
In the endocrine glands.
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How are hormones transported?
In the blood plasma.
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What do hormones regulate the functions of?
Target organs and cells.
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What do the hormones that the pituitary glands produce regulate?
They regulate body conditions and direct other glands to release hormones that bring change.
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What do the hormones that the Thyroid produces regulate?
It regulates things like the rate of metabolism, heart rate and temperature/
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What does the Thyroid produce?
Thyroxine
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What do the hormones that the adrenal Gland produce regulate?
Regulates the Flight ot fight response.
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What do the adrenal glands produce?
Adrenaline
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What do the hormones that the pancreas produce regulate?
Regulates the blood glucose level.
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What does the pancreas produce?
Insulin
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What do the hormones that the ovaries produce regulate?
Regulates oestrogen which is envolved in the menstrual cycle.
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What do the hormones that the testes produce regulate?
Regulates testosterone which controls puberty and sperm production.
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Are nerves fast or slow? Are Hormones Fast or slow?
Nerves- FAST Hormones-SLOW
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Do Nerves act for a long or short time? Do Hormones act for a long or short time?
Nerves-SHORT time Hormones-LONG time
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Do Nerves act on a precise or general area? Do hormones act on a precise or general area?
Nerves- PRECISE area Hormones-GENERAL area
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What controls Blood glucose level?
Insulin and Glucagon
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What happens on the first stage of the menstrual cycle?
The uterus lining breaks down for about 4 days.
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What happens on the second stage of the menstrual cycle?
The uterus lining builds up again.
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What happens on the third stage of the menstrual cycle?
An egg develops and is released- ovulation
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What happens on the fourth stage of the menstrual cycle?
The wall is maintained, if no fertilised egg has landed onto the uterus wall by day 28 the spongy lining starts to break down.
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Where is FHS produced?
In the pituitry gland
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What does FHS do in the menstrual cycle?
Causes the egg to mature in one of the ovaries in a structure called a follicle and stimulates the ovaries to produce oestrogen.
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Other cards in this set

Card 2

Front

Where are hormones produced?

Back

In the endocrine glands.

Card 3

Front

How are hormones transported?

Back

Preview of the front of card 3

Card 4

Front

What do hormones regulate the functions of?

Back

Preview of the front of card 4

Card 5

Front

What do the hormones that the pituitary glands produce regulate?

Back

Preview of the front of card 5
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