01. How do you put the toothpaste on the brush? Does it squirt all over the place? Do you have to swallow the toothpaste rather than spit it out? (JB) (A K2S Question)

From The Space Library

The toothpaste sticks to the brush, so brushing your teeth in space is done pretty much just like you do it on Earth. After brushing, you have the option of either swallowing the toothpaste or spitting it out into a washcloth.

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Answer provided by Dr. Jay C. Buckey, Jr. & Dr. John Hatcher

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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