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