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Introduction to Anatomy and Physiology

Overview. What is anatomy and physiology?Basic functions of living thingsLevel of structural organizationHomeostasisNegative feedbackPositive feedback. Anatomy and Physiology . AnatomyMicroscopicCytologyHistologyMacroscopic or GrossSurfaceRegionalSystemicSTRUCTURE = FUNCTION! . Physiolo

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Introduction to Anatomy and Physiology

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    1. Introduction to Anatomy and Physiology Chapter 1 Pgs 2-25

    2. Overview What is anatomy and physiology? Basic functions of living things Level of structural organization Homeostasis Negative feedback Positive feedback

    3. Anatomy and Physiology Anatomy Microscopic Cytology Histology Macroscopic or Gross Surface Regional Systemic STRUCTURE = FUNCTION! Physiology Cell Special System Pathology

    6. Homeostasis and System Integration Organs heavily dependant upon functioning of others Think of some examples! Homeostasis Maintaining a stable internal environment Why is that important? 3 components Receptor Control (integration) center Effector Negative vs. Positive feedback mechanisms

    8. Negative Feedback Triggered by a variation outside of normal limits Automatic response that corrects the stimulus Opposes or eliminates the stimulus Mechanism ignores minor variations Maintains a normal range rather than specific number What are some examples? Thermoregulation How does the body cool itself? How does the body warm itself?

    10. Positive Feedback Initial stimulus produces a response that reinforces the stimulus Escalating process; increases the stimulus Blood clotting What is the immediate danger of a cut? What would happen if negative feedback was the mechanism used?

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