A/P Ch 1

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amerelman
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195264
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A/P Ch 1
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2013-01-25 14:01:18
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A/P Ch 1
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  1. Gross/Macroscopic Anatomy
    • Study of large structures visible to naked eye
    • -Can be studied regionally (abdomen, extremities)
    • -Can be studied by system (cardiovascular, lymphatic)
  2. Microscopic Anatomy
    • Study of small structures visible with microscope
    • -Cytology- cells
    • -Histology- tissues
  3. Developmental Anatomy
    • Structural changes over a lifespan
    • -Embryology- developmental changes which occur before birth
  4. Principle of complementarity of structure and function
    • States that what a structure can do depends on its form
    • Anatomy and physiology are closely related
  5. Levels of structural organization
    • Chemical
    • Cellular
    • Tissue
    • Organ
    • Organ system
    • Organismal
  6. Necessary Life Functions
    • Maintaining boundaries
    • Movement
    • Responsiveness
    • Digestion
    • Metabolism
    • Excretion
    • Reproduction
    • Growth
  7. Survival Needs
    • Nutrients
    • Oxygen
    • Water
    • Normal body temperature
    • Appropriate atmospheric pressure
  8. Homeostasis
    Ability of the body to maintain relatively stable internal conditions under many external conditions
  9. Homeostatic control
    • Receptor- senses change and sends message
    • Control center- takes message from receptor and decides response and sends message to effector
    • Effector- provides means to take action
  10. Negative Feedback Mechanisms
    • Shuts off original stimulus or reduces its intensity
    • Majority of feedback mechanisms
  11. Positive Feedback Mechanisms
    • Increases stimulus
    • Small amount of feedback mechanisms

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