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== Respiratory system == | == Respiratory system == | ||
: ''Main Article: [[Respiratory system]]'' | : ''Main Article: [[Respiratory system]]'' | ||
The '''respiratory system''' is a [[biological system]] that is responsible for gas exchange. It involves an interconnected group of organs and tissues that help you breathe. The main parts of this system are the airways, the lungs and linked blood vessels, and the muscles that enable breathing.<ref name>[http://www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_respsys.html Respiratory System] by the National Heart Lung and Blood Institute.</ref> | |||
God has created the respiratory system with an extremely efficient design. It includes the structures that are vital to completing its role in delivering life giving [[oxygen]] and removing poisonous [[carbon dioxide]], all working in unison to complete their tasks. | |||
== Skeletal system == | == Skeletal system == |