1. What kind of challenges to the human body come from traveling or living in space

你的身體和骨頭都會變虛弱

Your body and bones will become weak

2. What kinds of special nutrients might be missing or needed when traveling in space

基本每一種營養素都會缺

Almost every nutrient is deficient

3. Special requirements or constraints of space food

太空中需要某些營養素

Certain nutrients are required in space