Respiratory system

Introduction

The respiratory system biological system consisting of specific organs used to exchange gases in the human body.

Task

The function of the respiratory system are external breathing that allow of the exchange of gases between the lungs and blood stream. It also supply our cells with oxygen, gets rid of the carbon dioxide, and  produces sounds.

Process

We first inhale through out the nose and then air enter the nasal cavity.Then it goes down the pharanx.The third step it goes down the trachea and from their it goes to the bronchi and goes to the left lung and right lung.The fourth step it goes to the broncholies from their it goes to the alveoli. The fifth step is oxygen is transfer to the blood surrounding the alveoli.Then the carbon dioxide is transfered from the blood to the alveoli. Finally the carbon dioxide breathed out and that when you exhale.

Conclusion

Question 

What is the first step in the respiratory system ? 

Answer 

You inhale through your nose and then the air goes to the nasal cavity.