International Publisher of Science, Technology and Medicine

 

Respiratory System

The respiratory system is a biological system consisting of specific organs and structures used for the purpose of respiration in an organism. The respiratory system is involved in the intake and exchange of oxygen and carbondioxide between an organism and environment. There are three major parts of the respiratory system: the airways, the lungs, the muscles of respiration. In air breathing vertebrates like human beings , respiration takes place in the respiratory organs called lungs.

 

High Impact List of Articles

izmit escort sex geschichten escort bayan porno sikis adult porno pornolar
anakara escort
test