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Oxford Science 9 Victorian Curriculum Teacher obook assess ISBN 9780190307004
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Student book questions
3.7 Homeostasis regulates through negative feedback
Pages 5659
Check your learning 3.7
Remember and understand
1 What is homeostasis?
2 How does your body respond to cold weather?
3 What happens to your blood sugar levels when you eat?
4 How does your body respond to low blood sugar levels?
© Oxford University Press 2017 2
Oxford Science 9 Victorian Curriculum Teacher obook assess ISBN 9780190307004
Permission has been granted for this page to be photocopied within the purchasing institution only.
Apply and analyse
5 How is the stimulus response model similar to or different from the negative feedback mechanism?
6 If a negative feedback loop reduces the effect of a hormone, what would a positive feedback loop
do?
Evaluate and create
7 In type I diabetes, cells in the pancreas are unable to produce insulin. Suggest what effect this would
have on blood glucose levels. Research how people with type I diabetes ensure that their blood
glucose levels remain at the homeostatic level.
8 Describe how and why your body responds to the following:
a drinking a bottle of water
© Oxford University Press 2017 3
Oxford Science 9 Victorian Curriculum Teacher obook assess ISBN 9780190307004
Permission has been granted for this page to be photocopied within the purchasing institution only.
b swimming 15 metres underwater
c swimming in the ocean on a cold day.