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