Tagged: The nose

December 30, 2017

Role of the respiratory system in the excretion process in man and Respiration in plant

The human body contains a system that is responsible for the extraction of oxygen from the air and then transfers it to the blood, then to the cells of the body, this system is...

The Living Organisms

January 8, 2015

Structure of the human respiratory system

The human respiratory system consists of the nose, the pharynx, the trachea, two bronchi, and two lungs, It is called also the respiratory apparatus, the ventilatory system and it is used for the process...