Ch. 01 Intro to A & P

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Anatomical terms, Organ systems, Body Regions

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Ch. 01 Intro to A & P

  1. 1. Chapter 1 Introduction to Human Anatomy and Physiology
  2. 2. Anatomy and Physiology Anatomy – study of structure/ location Physiology – study of function Structure is always related to function
  3. 3. Levels of Organization
  4. 4. Levels of Organization Organelle – mitochondrion, nucleus Cell – bone building cell (osteoblast) Tissue – bone (connective tissue) Organ – thigh bone (femur) Organ System – skeletal system Organism - human
  5. 5. Homeostasis Body’s maintenance of a stable internal environment <ul><li>Homeostatic Mechanisms – monitor aspects of the internal environment and corrects any changes </li></ul><ul><ul><li>Receptors - provide information </li></ul></ul><ul><ul><li>Control center - tells what a particular value should be </li></ul></ul><ul><ul><li>Effectors - causes responses to change internal environment </li></ul></ul>
  6. 6. Organ Systems
  7. 7. Organ Systems
  8. 8. Organ Systems
  9. 9. Anatomical Terminology Anatomical Position – body standing erect, facing forward, upper limbs at the sides, palms facing forward <ul><li>Terms of Relative Position </li></ul><ul><ul><li>Superior versus Inferior </li></ul></ul><ul><ul><li>Anterior versus Posterior </li></ul></ul><ul><ul><li>Medial versus Lateral </li></ul></ul><ul><ul><li>Ipsilateral versus Contralateral </li></ul></ul><ul><ul><li>Proximal versus Distal </li></ul></ul><ul><ul><li>Superficial versus Deep </li></ul></ul>
  10. 10. Body Sections
  11. 11. Body Cavities
  12. 12. Body Cavities Right and left are always reversed in anatomical drawings! Middle of sternum (heart, trachea, esophagus)
  13. 13. Serous Membranes <ul><li>Thoracic Membranes </li></ul><ul><ul><li>Visceral pleura </li></ul></ul><ul><ul><li>Parietal pleura </li></ul></ul><ul><ul><li>Visceral pericardium </li></ul></ul><ul><ul><li>Parietal pericardium </li></ul></ul>Visceral layer – covers (touches) an organ Parietal layer – lines a cavity or body wall <ul><li>Abdominopelvic Membranes </li></ul><ul><ul><li>Visceral peritoneum </li></ul></ul><ul><ul><li>Parietal peritoneum </li></ul></ul>
  14. 14. Serous Membranes
  15. 15. Serous Membranes
  16. 16. Body Regions These are the words we play Taber says with 

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