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anatomy chap 1
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the study of the structure & relationship of body parts
anatomy
the study of the function of the body
phsyiology
principle of complementarity
funtions reflects structure
-what a structure can do depends on its form
homeostasis
ability to maintain relatively stable internal environment in an ever-changing outside world
internal conditions vary within narrow limits
dynamic state of equilibrium
regulation of homeostasis is accomplished through:
the nervous & endocrine systems
provides a change in the body
variable
monitors environments & responds to changes
receptor
respond to changes
stimuli
determines set point at which the variable is maintained
control center
from recepter to control center --> approaches control center
afferent pathway
from control center to effector
efferent pathway
provides the means to respond to the stimulus
effector
negative feedback mechanism
output shuts off the original stimulus
positive feedback mechanism
output enhances or exaggerates the original stimulus
____ system uses electrical impulses to convery messages
nervous
____ system uses hormones to convey messages
endocrine
Author
Anonymous
ID
172619
Card Set
anatomy chap 1
Description
a&p-1
Updated
2012-09-23T00:48:43Z
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