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Unformatted text preview: 1-14-08 anatomy notes1.Organ Systems-group of organs each w/specific structures and functions; coordinate and integrate one another in order to maintain homeostasisi.Homeostasis-maintainance of internal environment of bodyb.Systems We Will Studyi.Nervousii.Circulatoryiii.Respiratoryiv.Digestivev.Excretoryvi.Endocrinevii.Reproductive1.Examples of Systemsa.Circulatory-heart, blood vessels, lymphaticsb.Digestive-esophagus, stomach, small intestine2.Nervous Systema.General function-short term coordination and integration of body functions1.fraction of seconds and fast reactions (in that order)2.occurs by electrochemical communicationa.nerve impulses (Action Potentials)ii.Properties of Nervous System1.Irritability or Excitability-reception of stimuliconverts to stimuli2.Conductivity-transmission of AP created by nervous system from one part of the body to another regioniii.Functional Sequence of Events1.Reception of Stimuli-stimuli come from either external or internal environments of body...
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