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AQA GCSE SCIENCE ­ B2



Homeostasis ­ How do our bodies keep internal conditions constant?
How do our bodies keep internal conditions constant?
Which conditions does our body have to control?

Water content
Ion content
Temperature
Blood sugar level

Why do these conditions need to be controlled?

Water and ion…

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AQA GCSE SCIENCE ­ B2

What is the thermoregulatory centre? What does it do?

This is part of your brain. It monitors the body temperature and does its best to keep the body at
the best temperature (37 degrees C).

When the body temperature is too high:

Blood vessels (in…

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AQA GCSE SCIENCE ­ B2

Problems may occur if a person smokes

Inhaled Insulin:

Advantages:

No injections (some are afraid of needles)
In tests, these doses produces a consistent concentration of insulin

Disadvantages:

Research is still being carried out - safe to use?
Timing of doses is hard to work…

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