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