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Anatomy 220 week 1

intro to anatomy and study of unit 1

Homeostasis relative constant state maintained by the body
set point a range or set of normal reading levels or level within the body
Feedback loop regulation network within the body to control or self-regulate
integrator control center of the feedback loop
effectors organs that directly influence controlled physiological variables
hypothalmus the literal thermostat of the body
negative feedback loop occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output
positive feedback loop process that occurs in a feedback loop which exacerbates the effects of a small disturbance
feed-forward information may flow ahead to another process to trigger a change in anticipation of an event that will follow
circadian cycles body's internal clock mechanisms that raise and lower set points for some variables in a daily high-low rhythm
levels of control the many complex process of the body are coordinated at multiple levels
intracellular control mechanisms operate at the cell level
intrinsic control mechanisms operate at the tissue and organ level
extrinsic control mechanisms that operate outside the controlled organ
Created by: naomiiscool12



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