BIO FINAL: EXAM III

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Author:
hayesme
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17395
Filename:
BIO FINAL: EXAM III
Updated:
2010-05-05 02:40:26
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key terms concepts
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key terms and cocepts
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  1. in the cardiovascular system, diffusion occurs in the:
    capillaries
  2. very slow and only works over short distances
    diffusion
  3. steps to Bohr Effect
    • 1. tissues use O2
    • 2. produce CO2
    • 3. lowers pH
    • 4. causes a right shift in dissociation curve
    • 5. HbO2 gives up O2 more readily
  4. Bohr Effect (right shift)*
  5. oxygen dissociation left shifted curve
    • gives up O2 less at high pO2
    • able to take up O2 at lower pressures a lot more easily
    • take up more readily at low pO2
  6. B cells
    B lymphocytes are specialized antigens that produce antibodies (lock and key type) attaches to phagocytize it, interfere with its vital functions and lyse it
  7. PO2
    partial pressure of oxygen
  8. partia pressure of oxygen
    .21 at sea level
  9. immunization
    conferring immunity (through prior exposure)
  10. immune
    resistance to or protection from disease causing pathogens
  11. basis of immunization
    resistance to or protection from disease causing pathogens
  12. clonal selection
    once an antibody recognizes an antigen, the body selectively makes copies of antibody
  13. wall effects
    slowing of fluid by contact of the fluid with the cells wall
  14. circulatory system in amphibian
    • very simple gass*
    • usually supplemented by skin breathing
    • lungs arent good enough to take in O2
    • restricted to moist enviroments
  15. circulatory system of reptiles, birds, and mammals*
    • lungs only
    • flow moves across pressure gradients from high to low
    • ****
  16. circulatory system of fish*

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