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Searching Rudolf Steiner Lectures by GA number (GA0351)

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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: Nine Lectures on Bees: Lecture IX
    Matching lines:
    • only oxygen and nitrogen, but that throughout Nature there
    • and oxygen. But gentlemen, in very, very minute quantities there is also
    • always be surrounded not only by oxygen and nitrogen, but by formic
    • oxygen, nitrogen and carbon, but in formic acid; this formic acid
  • Title: Cosmic Workings: Lecture IV
    Matching lines:
    • oxygen contained in the air. This we do in breathing, for the air
    • consists of oxygen and nitrogen — of many other things too but
    • they play a less important part. We take in the oxygen with our
    • be carbonic acid, that is to say, carbon and oxygen; and there must be
    • carbon ourselves, we take the oxygen from the air and the sodium from
    • breathing. We breathe in oxygen; we breathe out carbonic acid gas. If
    • animals. Moreover, the oxygen takes our carbon away — it
    • must first have it. To this end we must take food. Oxygen is
    • the oxygen, we should at once get fits of suffocation when the carbon
    • get out. We should suffocate at once. Oxygen is really greedy. Our
    • stomach must also take in food. Just as the oxygen takes up carbon
    • might imagine that if oxygen were in our stomach, it could get out
    • through the mouth and nose. The oxygen is there inside: it absorbs
    • substance very like oxygen is in the stomach and is continuously
    • light. Chlorine is very similar to oxygen.
    • organs it is the oxygen of the air which continuously extracts the carbon
  • Title: Cosmic Workings: Lecture V
    Matching lines:
    • general way it is quite correct that the plants give off oxygen which
    • night the plant does indeed need rather more oxygen. During the night
    • things are rather different. The plant does not need as much oxygen
    • as man, but it needs oxygen. Thus in the darkness it makes demands on
    • altogether of oxygen, but he gets too little and that is harmful.

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