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Chapter 1
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22
Anatomy
Undergraduate 2
09/04/2013

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Term
Anabolism
Definition
The building up of complex chemical substances from smaller simpler components.
Term
Catabolism
Definition
The breakdown of complex chemical substances into similar components.
Term
Metabolism
Definition
the sum of all chemical processes that occur in the body,
Term
System Level
Definition
consists of related organs with a common fucntion.
Term
Organ Level
Definition
different types of tissues are joined together. structures that are composed of two or more different types of tissues. specific functions.
Term
Tissue Level
Definition
Groups of cells and the materials surrounding them that work together to perform a particular function.
Term
Cellular Level
Definition
Molecules combine to form cells, the basic structural & functional units of an organism composed of chemicals.
Term
Chemical Level
Definition
very basic level, includes atoms and molecules.
Term
anatomy
Definition
the science of body structures & the relationship among them
Term
Physiology
Definition
the science of body functions- how the body parts work.
Term
Homeostasis
Definition
the condition of equilibrium in the bodys internal environment due to the constant interaction of the bodys many regulatory processes.
Term
intracellular fluid
Definition
Fluid within cells
Term
extracellular fluid
Definition
fluid outside of body cells
Term
interstitial fluid
Definition
fills narrow spaces between cells of tissues.
Term
Feedback System
Definition
Cycle of events in which the status of a body condition is monitored, evaluated, changed, remonitored, and so on.
Term
Controlled condition
Definition
Monitored variable
Term
Stimulus
Definition
Any disruption that changed a controlled condition
Term
receptor
Definition
a body structure that monitors changes in a controlled condition and sends input to a control center.
Term
control center
Definition
evaluates the input it receives from receptors and generates output commands when they are needed.
Term
effector
Definition
body structure that receives output from the control center & produces a response that changes the controlled condition.
Term
negative feedback system
Definition
reserves a change in a controlled condition.
Term
positive feedback system
Definition
strengthen or reinforce a change in one of the bodys controlled conditions.
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