Your respiratory system brings oxygen into your body and helps to remove carbon dioxide. Problems with your respiratory system can reduce the oxygen that reaches your lungs, which can make you unwell.
This are the things you need to avoid to keep yourself healthy is don't smoke, avoid harmful environmental factors such as smoke, dusts and chemicals, exercise, preferably avoid busy roads with high air pollution, wash your hands regularly to prevent infections, eat a healthy, vitamin-rich diet, drink plenty of water, introduce plants into your living spaces, practice good hygiene
These systems are very important in our body because this really helps for us to be healthy. This is also important because it continuously provide our body with oxygen and release carbon dioxide or other waste products in our body.