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