We breathe them back out.
YES. Some GASSES will always pass through along with the oxygen into the lungs where they could cause one upper respiratory tract infection or the other. But whatever the qtty of unhealthy gas that enters the lungs, no gas passes into the bloodstreams except oxygen.
Nothing - they are "breathed out" with your exhale.
Nothing - they are "breathed out" with your exhale.
Nothing - they are "breathed out" with your exhale.
When you inhale you breath in oxygen
"Inhale".
"Inhale".
To inhale
inhale oxygen
Inhale
You inhale.You inhale.You inhale.You inhale.You inhale.You inhale.
When you inhale (take in air when you breathe), you are taking in Oxygen.
A bug bomb is poison that's why it kills the bugs. So, if you breathe it in you are getting poisoned. Not smart.