Chapter 4 Body Structure

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Author:
Renicheal
ID:
236952
Filename:
Chapter 4 Body Structure
Updated:
2013-09-25 01:57:30
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medical term
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Description:
Body Structure
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  1. 5 levels of Organization
    • Cell
    • Tissue
    • Organ
    • System
    • Organism
  2. Cell
    Functional and structural basic unit of life
  3. cells consist of a cell membrane that encloses
    • cytoplasm &
    • nucleus
  4. Nucleus is responsible for 3 things
    • metabolism
    • growth
    • reproduction
    • Carries the genetic blueprint of the organism called DNA
  5. 4 major tissues in the body
    • epithelial
    • connective
    • muscle
    • nervous
  6. 3 connective tissues
    • bone
    • cartilage
    • blood
  7. 3 cell types a connective tissue is made up of
    • fibroblasts
    • fat cells
    • blood
  8. tissue
    groups of cells that perform a specialized activity
  9. Organs
    • Body structures that perform specialized functions
    • composed of at least two types of tissue
  10. Body systems
    a group of organs and accessory structures that have similar or related functions
  11. Organism
    Highest level
  12. Midsagittal (median)
    Right and left halves
  13. Coronal (frontal)
    Anterior (ventral) and posterior (dorsal) aspects
  14. Transverse(horizontal)
    superior (upper)and inferior (lower)
  15. 2 body cavities
    • dorsal (posterior) - cranial and spinal cavities
    • ventral (anterior) - thoracic and abdonimopelvic
  16. quadrant
    method used to divide area of body
  17. Region
    Method used to divide area of body
  18. quadrants describe
    • pain
    • lesions
    • abrasions
    • punctures
    • burns
    • incision sites

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