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