What Is It
The respiratory system is a system that enables the respiration process
in all living things. Breathing process is essential to both human and animals
in order to live. The process of exchanges of gases with the environment is
called respiration. Respiration is the intake of oxygen and its delivery to the
cells of the different parts of the body and the release of carbon dioxide.
Pharynx
Larynx
Nasal Cavity
Trachea
Bronchi
Lung
Figure 1: Main Parts of the Respiratory System​