anatomy chap 1

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

172619

Card Set

anatomy chap 1

Description

a&p-1

Updated

2012-09-23T00:48:43Z

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