Textbook Question
What is it about the structure of the alveoli that makes them an ideal site for gas exchange?
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What is it about the structure of the alveoli that makes them an ideal site for gas exchange?
Clearly explain the difference between external and internal respiration.
The contraction of the diaphragm and the external intercostal muscles begins inspiration. What happens, in terms of volume and pressure changes in the lungs, when these muscles contract?