Respiratory System

Functions of Respiratory System

Through the breathing, inhalation and exhalation, the respiratory system helps the exchange of gases between the air and the bload and between the blood and the cells of the body.

The respiratory system facilitates us to smell and create sounds. There are five key functions of the respiratory system.

1) Inhalation and Exhalation are the Pulmonary ventilation - that's breathing.
2) External respiration exchanges gases between the lungs and the bloodstream.
3) Internal respiration exchanges gases between the bloodstream and body tissues.
4) Air vibrating the vocal cords creates sound.
5) Olfaction is a chemical sensation.

The parts of the respiratory system are: Nose, mouth, trachea, intercostal muscle, pleural membranes, rib, nasal passages, epiglottis, larynx, bronchus, bronchioles, alveoli, and diaphragm.