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GCSE - Combined Science Trilogy - Foundation
Biology paper 2 :
Homeostasis :
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Created by
Tahseen Ahmed
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Cards (7)
What is homeostasis?
Homeostasis is the regulation of the
internal conditions
of a
cell
or
organism
in response to
internal
and
external
changes
What does homeostasis control?
Blood glucose concentration
Body temperature
Water
and
ion
levels
What does the control system involve?
Responses
via nerves
Chemical
responses via hormones
What is a receptor?
It detects a
stimuli
which is when there is a
change
in the
environment
What is the coordination centre?
It includes
organs
like the brain, spinal cord and
pancreas
and receives/processes the information from the
Receptor
What is a effector?
It includes
muscles
and
glands.
It brings out the response in order to restore the optimum levels
What is the control system order?
Receptor
Coordination
centre
Effector