Respiratory System

Helping you breathe, every step of the way!

Main Function of the Respiratory System

The main function is to provide the blood with oxygen so it can be circulated throughout the body and the release Carbon Dioxide. It's very important to keep us alive because if the blood doesn't get oxygen all the cells will die.

How it works

The air is inhaled through the mouth or nose then it goes down the trachea in to the lungs which are surrounded by little sacs which are surrounded by capillaries. The capillaries absorb the oxygen and release carbon dioxide. The diaphragm pumps the oxygen and carbon dioxide through the system. Carbon dioxide takes the same path out as oxygen goes in.

The top organs in the respiratory system are....