General
Why do astronauts float in space ?
Because of microgravity
What part of the body looks puffy in space ?
The face because, fluid moves upward without gravity!
What happens to astronauts balance when returning to earth?
They feel dizzy and off-balance.
What body part gets flattened in space from pressure in the head ?
The back of the eye (eyeball) can get squished which affects vision.
What happens to muscles if you don’t exercise ?
They start to shrink
What gets weaker if astronauts don’t exercise in space ?
Muscles - they shrink because they aren’t used that much.
WhyWhat happens to the heart in microgravity?
It gets smaller because, it doesn’t have to work as hard.
Why can astronauts get sick easily in space?
Their immune system gets weaker overtime in microgravity.
Why do astronauts lose bone density?
Without gravity bones don’t carry weight
What loses calcium and becomes thinner in space ?
Bones because they don’t carry weight like on Earth
Why is it hard to breathe in space ?
Fluids move into the chest making it feel tighter
What helps astronauts avoid bone loss?
Exercise
Can being in space affect people’s brain?
Yes, fluid pressure in the head and problems with sleep.
What sense can become worse overtime for astronauts ?
Vision - it becomes more and more blurry
How long does it take the body to fully recover after space travel ?
It can take weeks and months depending how long you stayed
What happens to the skin in microgravity ?
It can get dry and shed dead cells.