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Searching Rudolf Steiner Lectures by GA number (GA0293)
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    Query was: oxygen
  

Here are the matching lines in their respective documents. Select one of the highlighted words in the matching lines below to jump to that point in the document.

  • Title: Study of Man: Lecture II
    Matching lines:
    • Concepts produce carbonic acid, imaginative pictures oxygen. Need for
    • the germ for the preservation of oxygen, for continuous growth,
  • Title: Study of Man: Lecture XII
    Matching lines:
    • thoughts. Trunk system related to plant world. Oxygen changed to
    • know that he takes in oxygen, and through his life processes he
    • changes oxygen into carbon dioxide by connecting it with carbon.
    • takes up the oxygen, and carbon dioxide gas arises through the union
    • of the oxygen with the carbon. Now when man has the carbon dioxide
    • the oxygen, what would happen? Let us say that a man breathes in
    • oxygen through his life processes, and allows it to form carbon
    • separate off the oxygen again within, and to work upon the carbon,
    • breathe in oxygen in the same regular way as man, but it assimilates
    • gives up oxygen. It would be bad if it did not do this; for then
    • process by which carbon dioxide has arisen, that is, if the oxygen
    • them with the help of the oxygen which he breathes in. As man
    • oxygen. This appears as a process of combustion, and it looks as



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