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Breathing mechanism diagram from the human biology textbook. From
11.3 Circulatory and Respiratory Systems – Concepts of Biology
File:Inhalation and Exhalation Diagram.jpg - Wikipedia
11.3 Circulatory and Respiratory Systems – Concepts of Biology
45 Impressive and Surprising Respiratory System Facts - Owlcation
Difference Between Inhalation and Exhalation (with Comparison
Difference Between Inhalation and Exhalation
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What is the difference between inhalation and exhalation