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positive and negative feedback loops, blood glucose cycle that could go…
positive and negative feedback loops
positive
the other side of the speed sign is that you might increase your speed to go above the speed limit
away from target set point and amplifying it
ex: fruit ripening
ethylene is used to give off by ripe fruit
and cause the apple next to it to ripen too
the first apple will become ripe then spread the ripeness amplifying it
negative
speed example the sign will show you your speed so you will slow down then speed up until you reach the speed limit
towards the target set point
stabilization
ex: temperature regulation
in humans we use negative feedback loop maintain 37 degree Celsius (98.6 degree Fahrenheit)
when we get too hot the blood is carried to near the skin then to cool down
if there is fur then it stays flat
when it is too cold we begin shivering to warmup again and get goosebumps
questions answered
explain how negative feedback helps to maintain homeostasis
explain how positive feedback affects homeostasis
describe the positive and negative feedback mechanism
we try to maintain homeostasis through using feedback loops
homeostasis is a stable internal environment
alterations
diabetes mellitus
ectotherma is when their internal temperature matches the external
endothermal is when the internal temperature is constant but have to eat a lot more to maintain that temperature
blood glucose cycle that could go wrong
when blood glucose goes up body secretes insulin
when blood glucose goes down body secretes glucagon
most diabetes is in north america