both you can start with breathing out or by breathing in
you first breath in and then you breath out
carbon dioxide is released into the air.
When you inhale, you breath in oxygen and your lungs get bigger.
then we could not breath.
it goes up and out
Bad breath
if you dont breath then you die
you die
it evaporates when you breath out (exhale)
we and the animals breath it.
you die.
we cannot breath