RESPIRATORY SYSTEM 1.Name each organ of the mammalian respiratory system and provide its function. 2.Use Boyleâ€™s law and...

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Medical Sciences

RESPIRATORY SYSTEM
1.Name each organ of the mammalian respiratory system andprovide its function.
2.Use Boyleâ€™s law and the anatomy of a mammal to explain howinhalation and exhalation occurs.
3.What is â€œpartial pressureâ€? Explain its role in gasexchange.
4.What is the difference between external gills and internalgills? What are the advantages/disadvantages of each?
5.Structure determines function: what features are common indifferent respiratory organs, and how do these features help withgas exchange?

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1The respiration is the process of exchange of gases Itconsists of two zones a Conducting zone includes the organs and structuresnot directly involved in gasexchange They provide route for passage of air in and out humidity and warms the air and removes the pathogensexternal Nose It serves as pathway for passage of air the andcontains olfactory nerves It humidifies the air and blocks theentry of pathogen into the respiratory systemPharynx It is a tube formed by skeletal muscle and is dividedinto three parts Nasopharynx oropharynx and laryngopharynxNasopharynx serves as airway and contains tonsils whereasoropharynx is pathway for both air and food The See Answer

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