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