The lungs are the muscular pump that provide the force necessary to circulate blood which picks up and delivers oxygen, nutrients, and waste chemicals throughout the body

I think you want to know if this proposition is true or false:
The proposition is false, this definition concerns the heart.

The heart is the muscular pump that provides the force necessary to circulate blood. 
The lung is an intrathoracic organ of the respiratory system, allowing the exchange of vital gases, including oxygen and carbon dioxide, between blood and the external environment.

Very minute and important evidence needs to be collected in order together detail and figure out what had happened