I founded this information in Google and I did this questions for you!
https://www.nasa.gov/audience/forstudents/k-4/home/F_Living_in_Space.html
1. What is very bad for the astronaut bodies in the space? So, what do they do for this?
2-.What happen with de blood and the water body in the space?
3. What the astronauts do in the space with the garbage?
4. What happens with the cleaning of the spacecraft?
5. What is de “vacuum clean”?