why is Amazon river called the lungs of the world?

The Amazon rainforest functions as a giant air machine that absorbs a large amount of carbon dioxide, and produces oxygen. That is why it is often called the "Lungs of the Earth." Running through the forest, is the second longest river in the world and the largest by water flow...the Amazon River. There are more than one thousand tributaries of the Amazon River, and they resemble capillaries of the "Lung of the Earth", nurturing the biggest rainforest on earth. One of the most fascinating aspects of the Amazon is its "medicinal plants".

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The Amazon is often referred to as Earth's 'lungs,' because its vast forests release oxygen and store carbon dioxide, a heat-trapping gas that is a major cause of global warming,” claimed The New York Times. ... The Amazon produces a lot of oxygen but it uses the same amount of oxygen through respiration so it's a wash.

The Amazon is often referred to as Earth's 'lungs,' because its vast forests release oxygen and store carbon dioxide, a heat-trapping gas that is a major cause of global warming,” claimed The New York Times. ... The Amazon produces a lot of oxygen but it uses the same amount of oxygen through respiration so it's a wash