1 Nov 2021
Problem 24
Page 1147
Section 39.3: Critical Thinking Questions
Chapter 39: The Respiratory System
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1 Nov 2021
Background and context
However, during breathing, two phases are continuously at work: air enters the lungs, and air exits the lungs, known as inspiration and expiration. The air pressure influences both processes in the lungs and the air pressure in the atmosphere.
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