Its function is to expel solid and gaseous waste from the gastrointestinal tract.
2.
It is used to dispose of solid, liquid and gaseous waste.
3.
While most commonly used with beverage containers it can be used on other materials including liquid and gaseous wastes.
4.
The venous system returns the de-oxygenated blood to the right heart where it is pumped into the lungs to become oxygenated and CO 2 and other gaseous wastes exchanged and expelled during breathing.
5.
The most vulnerable part of the Earth's environment is the very thin layer of air clinging near to the surface of the planet, that we are now so carelessly filling with gaseous wastes that we are actually altering the relationship between the Earth and the Sun _ by trapping more solar radiation under this growing blanket of pollution that envelops the entire world.
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