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