Why it's good to keep the respiratory system working

It's good to keep the respiratory system working because if you don't you wont be able to breath.  

There are some diseases you get from not keeping your respiratory system clean, some common

diseases include asthma,Chronic Obstructive Pulmonary Disease (COPD causes lung problems makes you take short breaths), pneumonia and the common cold.  You can prevent these symptoms by being active which makes you breath more which makes your lungs and respiratory system clean, and of course don't smoke.