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i think its cuz
bad effect may block the site of binding of oxygen with blood
infections that effect the repertory system
When you have something lodged in the larynx, you can not speak. The larynx is part of the respiratory tract and it is commonly called the voice box. It is also part of the tract that air moves in and out and a blockage there reduces air that can reach the larynx. The blockage can be bad enough to completely cut off any air.
Marijuana alone has no effect on your body, but smoking anything is bad for your lungs (respiratory system) and kills brain cells (nervous system)
the bad one
It leads to mold and mildew, warp wood, and cause serious illness to humans, especially in the respiratory system.
Your respiratory system is not working correctly. You should make an appointment to see a lung doctor.
If you smoke then that's bad for your lungs, if you breathe in toxic fumes because of your job that's bad, so basically it depends what you choose to do. so basically:don't smokedon't breathe in airosolesdon't do drugsand your respiratory system will be fine.
You breathe in something bad for you, like pollen for example, and your lymph nodes in the back of your mouth catch it, to keep the rest of your body from getting infected
it is part of the engine i had go bad
The external air is usually sent through to the respiratory system for processing. Basically your respiratory system will change bad air into good air, and then send the good products around the body, and then filter out the rest through reactions such as coughing, sneezing etc.