Searching Rudolf Steiner Lectures by GA number (GA0351)
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- Title: Nine Lectures on Bees: Lecture IX
- 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
- 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
- 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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