Well, in space their is no air, so we obviously air is the number on thing humans would need in space.
oxygen
The one thing humans need in order to grow is water.
oxygen...
We can not live with out trees
the suit of astronaut
At present it is the only vehicle the USA owns which can carry humans into space
The most important thing to think about is the amount of clothes you have and if you will be sharing the space with someone else. If you are female and have a spouse you will need more space than him and you also need space for shoes. In that case you may not need as many shelves and may use bins to store some of the excess.
soil
why do we need a pistol in space
To do this you need an increase in pressure and oxygen
dehydrated food
the hip bones curve out because the women need the space for the baby... its a female thing the hip bones curve out because the women need the space for the baby... its a female thing