The Human Respiratory system is a network of organs and tissues that functions to take oxygen in and expel carbon dioxide out of the body.
The respiratory system is made up of the nose, larynx, pharynx, bronchi, lungs and trachea.
Let us know about the parts of the respiratory system to gain a better understanding.
Parts of the Respiratory System
- Nose: The nose is an external protuberance of an internal space called the nasal cavity. It is divided into a right and left side by a bony cartilaginous wall called the septum. The nostrils open on the outer side of the body and to the internal side through the pharynx. The nostrils are lined with hairs that act as the first line of defence against pathogens.
- Larynx: The larynx serves as an air canal to the lungs. It is also called the voice box of the human body because it