382938
Beschreibung
Mindmap von crossers_x, aktualisiert more than 1 year ago
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Erstellt von crossers_x
vor mehr als 10 Jahre
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|
Homeostasis:
control in the body
- WATER LEVEL
- method
- in
- food and drinks
- food and drinks
- out
- breathing
- urine and faeces
- sweat
- breathing
- in
- Kidneys
regulate
water
content of
the body
- ADH
- blood too
concentrated,
releases ADH
- kidneys release less
water, stays in blood
- blood too
concentrated,
releases ADH
- remove excess fluid
- send to bladder
- stored then eliminated as urine
- stored then eliminated as urine
- send to bladder
- ADH
- when hot or exercisng we
lose water through sweat
- we then
produce less
urine,
although it is
more
concentrated
- we then
produce less
urine,
although it is
more
concentrated
- method
- blood glucose level
- provides energy
supply
- pancreas
- detects high levels
(after a meal)
- releases insulin
- stored as glycogen by muscles
- stored as glycogen by muscles
- releases insulin
- detects low
levels
(exercise)
- releases glucagon
- converts glycogen back to glucose
- converts glycogen back to glucose
- releases glucagon
- detects high levels
(after a meal)
- Diabetics often
either don't
produce insulin or
cant detect it
- provides energy
supply
- TEMPERATURE
- methods
- sweating
- too cold: no sweating
- too hot:
sweating
increases,
evaporation
cools skin
- too cold: no sweating
- hairs
- too cold:
hairs stand
up to trap a
layer of air
- too hot: hairs lie flat
- too cold:
hairs stand
up to trap a
layer of air
- shivering
- too hot: muscle
activity reduces
- too cold:
contractions
generate heat
- too hot: muscle
activity reduces
- blood flow to skin
- too hot: blood
vessels dilate , so
more blood to
skin(vasodilation)
- too cold: blood
vessels constrict,
reducing blood
flow(vasoconstriction)
- too hot: blood
vessels dilate , so
more blood to
skin(vasodilation)
- sweating
- methods
- IONS + SALTS
- lost through
- skin as sweat
- kidneys as urine
- skin as sweat
- includes
- sodium
- chloride
- sodium
- lost through
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