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