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Paper 2
Homeostasis and response
Homeostasis
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homeostasis
is maintaining a
stable internal envrioment
our
body regulates
everything to
correct
levels- not everything is
constant
however, some things
fluctuate
like
temperature
and
glucose
levels
our body has
automatic
control systems which have
receptors
,
coordination centres
and
effectors
negative feedback
means that the body responds to a
change
in the
environment
by returning the system to its
original
state