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