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