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The Digestive System
Homeostasis
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Created by
Lillian Khalife
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Cards (12)
Homeostasis
The regulation of the internal conditions of a cell or organism to maintain optimum conditions for function in response to internal and external changes
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Enzymes and cells require very
stable
conditions in order to work
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The body has systems in place to keep the internal conditions optimum for the cells to function
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Internal conditions maintained by homeostasis
Blood glucose
concentration
Body temperature
Water
levels
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Automatic control systems
Involve the
nervous system
or
hormones
Consist of
receptor
cells detecting changes in the
environment
Receptor
cells pass information to a
Coordination
Center
Coordination
Center sends instructions to an
effector
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Stimulus
A change to the environment detected by
receptor
cells
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Effector
A
muscle
or
gland
that carries out the response
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The homeostasis topic will cover a range of different systems, each with a
stimulus
,
receptor
, Coordination Center, and effector
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Coordination Center
The part of the nervous system that receives the signal from the
receptor
and coordinates a
response
Stimulus
A change in the
internal
or external environment that triggers a
response
from the body
Homeostasis
The body's ability to
maintain
a
stable internal environment
despite changes in external conditions
Receptor
A sensing device that detects a stimulus and sends a signal to the coordination center