The Respirtory System
The respiratory system is how air gets in to your body and how corbon dioxide gets out. When you breath and air comes through your nose or mouth, it go’s to your trechia. the trechia branches to the bronchial tubes and carrys air deeper in to the lungs. when the brounchial tubes end. the air inflates collanies of microscopic air sacks called the alveoli. the air passes through the alveoli wall and go’s to your blood vessels. the air gets sorowned by blood vessels and is carried to all the parts of the body. corbon dioxide is stored at the alveoli. when the diaphhram relaxes pushing up aganst the luyngs and corbon dioxide is forst out of the body.