What is the respiratory system? What are its organs and functions?
When the body breathes, air is drawn into the respiratory system, where it makes a trip across the body and...
respiratory system
Respiratory System – Introduction, Parts & Functions
The respiratory system provides the route by which the supply of oxygen present in the atmospheric air, gain entry to...
The Human Body Systems: Overview, functions and anatomy
The human body has a collective number of biological systems which carry out the specific functions that are necessary to...
