Gas Exchange
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May 1, 2024
4 minute read
Gas exchange is the process by which oxygen and carbon dioxide are exchanged between the lungs and the bloodstream. This process is essential for life, as oxygen is required for cellular respiration and carbon dioxide is a waste product of cellular respiration. Gas exchange occurs in the alveoli of the lungs, which are small air sacs that are lined with capillaries. The capillaries are very thin, which allows oxygen to diffuse from the alveoli into the bloodstream, and carbon dioxide to diffuse from the bloodstream into the alveoli.
The Importance of Gas Exchange
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