The Respiratory System plays a very important role in the human body by providing the body with oxygen and removing carbon dioxide .
The Respiratory System includes : Lungs - organ which controls a persons breathing , inhales oxygen, exhales carbon dioxide . Nasal Cavity - area in the nose that is used to filter or clean air before it reaches the lungs . Trachea - also known as the throat . Bronchus - where the air travel in order to reach the lungs .