14. Trace the route of inspired air in humans from the nostrils to the smallest chamber of the lungs. What is the "dead air space" of a mammalian lung and how does it affect the partial pressure of oxygen reaching the alveoli? How is this problem partially solved by bird respiratory system?

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Q: 39. Describe the respiratory system of birds. Specify how it is different from humans and why is so…

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Q: 7. Outline the flow of air starting from larynx to alveoli.

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Q: Name the airways in the mammalian lung. What are their functions? How does air enter and leave the…

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