Harrietking7176 Harrietking7176

01-10-2021
Biology

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oxygen and carbon dioxide are exchanged in the lungs by

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karen2337 karen2337

01-10-2021

ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN.

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