Principles of Homeostasis

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Created by: TaraCBeckworth
Created on: 09-05-17 16:31

What is the definition of homeostasis?

The maintinence of an equilibrium of conditions inside the body

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What is negative feedback?

Where a small change is detected by the receptors and the effectors work to reverse the change

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Give an example of negative feedback

Blood glucose regulation with insulin and glucagon

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What is positive feedback?

Where a change is detected in the internal environment by receptors and the effectors work to reinforce the change and increase the response

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Give an example of positive feedback

In labour, the babys head presses against the cervix stimulating the production of oxytocin, the oxytocin causes the cervix to contract, pushing the babies head harder against the cervix, which in turn increases the production of oxytocin

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Other cards in this set

Card 2

Front

What is negative feedback?

Back

Where a small change is detected by the receptors and the effectors work to reverse the change

Card 3

Front

Give an example of negative feedback

Back

Card 4

Front

What is positive feedback?

Back

Card 5

Front

Give an example of positive feedback

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Principles of Homeostasis