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Homeostasis
Homeostasis cards
11
Biology
11th Grade
04/21/2008

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Term

Homeostasis

Definition
 
The process by which organisms maintain
a stable internal environment
Term
How does homeostasis work?
Definition
 A sensor picks up an unhealthy change inside of the body, the control center decides what should happen in response to the change, the effector takes action to get the system back in healthy balance.
Term

Ectotherm

Definition
Cold-blooded; body temperature responds directly to the temperature of the surrounding environment
Term

Endotherm
Definition
an animal capable of maintaining its body temperature above the temperature of the external environment
Term
Endotherms can:
Definition
sweat, shiver, and use insulation to heat themselves
Term
Shivering
Definition
generates heat from muscle contracion
Term
Insulation
Definition
Fur, feathers, fat: traps body heat
Term
Sweating:
Definition
Helps evaporate cooling in mammals
Term

Pancreas:

Definition
Regulates the amount of sugar in the bloodstream
Term

Formula for GLUCOSE:

Definition
C6H12O6
Term
Difference between type 1 and type 2 diabetes:
Definition
Type 1 is where the body’s immune system attacks cells in the pancreas (which makes the insulin). In Type 2, either the pancreas is not making enough insulin, the cells are not properly responding to the insulin (known as insulin resistance), or in some cases, both. It is possible to prevent and delay Type 2 diabetes through a healthy diet and a regular exercise. This is because a healthy diet and regular exercise speeds up the process in which glucose is processed.
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