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