the respiratory system is a very important system that is needed for your survival. the main organ are the lungs. they take in oxygen and give it to the blood, and take away carbon dioxide from blood for you to breathe it out. the respiratory system is made up of the organs in your body that help you to breathe. he primary function of the respiratory system is to supply the blood with oxygen in order for the blood to deliver oxygen to all parts of the body.
this is pneumonia disease that you can get in the respiratory system. it is a fluid that can fill and harden inside your lungs. and make it hard to breathe. it may seem like a normal cold at first but it gets worse over time.