Control in the human body/ Hormones

Created by: Millie
Created on: 12-05-13 16:32

What internal conditions are controlled?

1. The water content of the body- sweat, urine... 2. The ion content of the body- sweat, urine... 3. Temperature- enzymes work best at a specific temp, you have to keep that up 4. Blood sugar levels- to provide the cells with a constant supply of

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What are hormones?

Chemical substances that trigger specific things to happen inside the body

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Give 1 example of how hormones regulate functions in the body

The monthly release of an egg from the ovaries or the thickness of the uterus lining is controlled by hormones secreted by the pituitary gland and the ovaries

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What does FSH do?

It is from the pituitary gland and it stimulates the egg to mature in the ovaries & the ovaries to produces hormones including oestrogen

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What does LH do?

It stimulates the release of eggs from the ovary

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What does oestrogen do?

It is from the ovaries & it prevents the further production of FSH

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What did they change in birth-control pills because it resulted in women suffering from side effects?

Oestrogen

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What do oral contraceptives contain to prevent egg maturation?

Oestrogen and progesterone

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What does IVF treatment involve giving a mother and why?

FSH and LH to stimulate the maturation of several eggs

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What is the process of IVF treatment?

1. The mother is given FSH and LH 2. the eggs are collected from the mother and fertilised by the father's sperm 3. The fertilised eggs develop into embryos 4. When there are many embryo's they are inserted into the mother to give a greater chance

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Other cards in this set

Card 2

Front

What are hormones?

Back

Chemical substances that trigger specific things to happen inside the body

Card 3

Front

Give 1 example of how hormones regulate functions in the body

Back

Card 4

Front

What does FSH do?

Back

Card 5

Front

What does LH do?

Back

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Control in the human body/ Hormones