health of human being

Respiratory system is one of the important system of our body. We are depended on breath. a healthy person can breaths 16-20 times per minute.We need oxygen to survive.When we takes oxygen from the environment our lungs will be contraction and we through the carbon dioxide.Lungs is most important organs of this system.There are two types of respiration, one is internal respiration and another is external respiration.

The organs of Respiratory system
- Nose
- Mouth
- Larynx
- Trachea
- Lungs
- Bronchus
- Brunches
- Air sacks
- Diaphragm
Lungs
Lungs is divided into two parts, right lungs and left Lungs. Blood is oxygenated from here and oxygen supply all over the body through the blood.