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