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We breath in oxygen then it travels through the respiratory system ending to alveoli. Oxygen passes through the blood stream by using capillaries as a place to swap with carbon dioxide so that the alveoli gets the oxygen. Then the carbon dioxide leaves the body when we exhale.

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11y ago
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14y ago

Gas exchange occurs in two locations. It occurs as external respiration in the lungs, where CO2 defuses out of the blood and O2 into the blood and internal respiration in all living cells in the body. CO2 leaves the cell and O2 enters the cell to the mitochondria mainly for respiration.

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12y ago

There are little people inside your body that pays for the air in money. This is how the exchange gases. Then the people hire workers on minimum wage to sort out the gas in carbon dioxide and oxegan. Then you breath out the carbon dioxide. Easy as said.

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14y ago

in the respiratory system aka lungs for the layman

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10y ago

explaon gas exchange in humans

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11y ago

Gas exchange happens in the alveoli.

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Q: Where does exchange of gas occur in human body?
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