Why do we breath with lungs?

Answer 1

The lungs are the site of gas exchange, meaning that oxygen will enter your blood and carbon dioxide will leave your blood in the lungs. Oxygen is needed to generate energy in cells and carbon dioxide is a waste product that can acidify the blood if not expelled.

Answer 2

If a human does not exchange excess carbon dioxide for new oxygen, death occurs. This is one of the main jobs the lungs do. Although, humans can live without their lungs if they either have artificial ones doing the job for them or don't mind dying after a minute or so.

Answer 3

There are ways to talk without using lungs. Watch Dr. Stephen Hawking, for example. He talks by pressing buttons on a computer keypad. Most people use lungs. Lungs are used to drive air through the vocal chords in order to make a sound that other people can hear.

Answer 4

Animals like vertebrates need a rate of oxygen that cannot be delivered by diffusion or environmental convection, so lungs act as bellows that force convection. Other orders and kingdoms that are not as mobile may breathe through their skin.

Answer 5

We need lungs to breathe.

Answer 6

Why do we have lungs? :)

Answer 7

God gave it to us