Answer:
umm cat camel maybe hahah
Since everything is “lighter” in space due to the lack of gravity, you don’t need as much strength to do things so your muscles begin to deteriorate and weaken because you aren’t maintaining your strength.
I think the answer would be conflicts, because that's something you would about your partner by dating them. I hope this was helpful :)!
The answer is B) red blood cells. I hope this helps!