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