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