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