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