microgravity
zero gravity
regular gravity
brains
legs
muscles
hands
it speeds up
nothing, it stays the same
it slows down
it swells with fluid before shrinking
lungs
stomach
legs and arms
torso and head
eating
interacting
walking
talking
motion sickness
food poisoning
migraines
sleeping sickness
their sense of balance doesn’t change
their sense of balance gets better
their sense of balance gets worse