How air gets into the lungs

The air passes through the nose into the larynx, trachea, bronchus, bronchioles and then finally enters the alveoli in the lungs.

There are various organs that aid in the respiratory mechanism. They are the nostril, nasal cavity, pharynx, trachea, lungs, larynx, diaphragm, intercostal muscle, ribs and bronchi. In order to get an easy and better understanding of the mechanism, let’s look at their functions;