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