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How does the digestive system work for astronauts in space?

Best Answers

Believe it or not, we don't need gravity to swallow (if you want to prove this and can, do a head stand and carefully try to drink water. It can be done, I've done it.) What happens is something called peristalsis. read more

Space sickness is very much a real thing, and many astronauts have struggled with it until the body acclimates. You can test out peristalsis yourself. Find a safe way for your head to be below your stomach -- leaning off a low bed or a chair, for instance. read more

The simple answer is that it dosen't! It dosen't in space and it dosen't on earth either. The food in your mouth is pushed to the stomach by muscles in the lining of the tube between mouth and your stomach. read more

The discovery of space adaptation syndrome added whole new dimensions to Esti’s experience in space, & her first days on the cycler. Poor Esti. As if to underscore this, my digestive system on the day after Thanksgiving decided to channel Esti’s digestive system. read more

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