Kroppen: Why do we have to breathe?

50mAired 1975-11-11

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Kroppen: Why do we have to breathe?

What is it that keeps us up so that we are not flat as pancakes?

Why do we have to breathe?

The food we eat - where does it go?

How can we think, do different things, see and hear?

Now the whole body is almost finished!