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