Lecture+notes+19 - Lecture Notes Bio 109 Fall 2010 Dr...

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Unformatted text preview: Lecture Notes Bio 109, Fall 2010, Dr. Catherine Loudon Lecture 19 – 11/10/10 –Respiration 1) Announcements a) Test 2 scores and grades were posted EEE on Monday. b) Scantron images will be posted as soon as they are processed by DDM office. 2) Your questions a) Will class be graded on curve? Probably not – plan to use straight scale (see EEE homepage for more details) b) Extra credit assignments? I do not offer extra credit assignments in any classes. 3) Physiology in the News (optional reading posted on EEE) a) “Time for Your Skin Transfusion?” Nov. 7, 2010 ScienceNews i) Development of blood cells from adult skin cells in laboratory 4) 21% of molecules in dry (atmospheric) air are oxygen (Table 17-2) a) Water vapor exerts own partial pressure if present b) Gas laws i) See Table 17-1 ii) PV = nRT ideal gas law see Appendix p. B-3 for more information) c) Pressures of individual gases in mixture sum to total pressure i) Each gas in mixture exerts a partial pressure 5) Gas laws help us understand how lungs fill with air a) Pressure and volume are inversely related (also note that Boyle’s law may be inferred from ideal gas law PV=nRT with constant n and T) (Fig. 17-6) from ideal gas law PV=nRT with constant n and T) (Fig....
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This note was uploaded on 12/01/2010 for the course BIO SCI Bio Sci E1 taught by Professor Catherineloudin during the Spring '10 term at UC Irvine.

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Lecture+notes+19 - Lecture Notes Bio 109 Fall 2010 Dr...

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