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