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Some help please

  1. Nov 9, 2005 #1
    [URL=http://img347.imageshack.us/my.php?image=adsz5hb.jpg][PLAIN]http://img347.imageshack.us/img347/3082/adsz5hb.th.jpg[/URL][/PLAIN]
    this is a figure from a neuron
    can anyone explain why not sodium ions cross the cell membrane?
     
  2. jcsd
  3. Nov 9, 2005 #2
    http://www.bris.ac.uk/synaptic/public/basics_ch1_2.html" [Broken]
    This is a good site at explaining how neurons work; complete with animations.

    Sam.
     
    Last edited by a moderator: May 2, 2017
  4. Nov 14, 2005 #3
    perhaps you can search Na/K ATPase
     
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