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HKIN 191 Final Exam Questions and Answers 100% Pass

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HKIN 191 Final Exam Questions and Answers 100% Pass Three major functions of ventilatory system - 1.Supply O2 required in metabolism 2.Eliminate CO2 produced in metabolism 3.Regulate hydrogen ion concentration [H+] to maintain acid-base balance conducting zone - -Conducts air to respiratory zone -Humidifies, warms, and filters air Respiratory zone - -Exchange of gases between air and blood Hemoglobin - Hemoglobin molecule consists of globin composed of four subunit polypeptide chains. Each polypeptide contains single heme group with its single iron atom acting as an oxygen "magnet" Myoglobin - Shuttles O2 from the cell membrane to the mitochondria Sympathetic nerve fibers - mediate excitation. Parasympathetic activation - inhibits excitation.

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HKIN 191 Final Exam Questions and
Answers 100% Pass


Three major functions of ventilatory system - ✔✔1.Supply O2 required in metabolism


2.Eliminate CO2 produced in metabolism


3.Regulate hydrogen ion concentration [H+] to maintain

acid-base balance


conducting zone - ✔✔-Conducts air to respiratory zone


-Humidifies, warms, and filters air


Respiratory zone - ✔✔-Exchange of gases between air and blood


Hemoglobin - ✔✔Hemoglobin molecule consists of globin composed of four subunit

polypeptide chains. Each polypeptide contains single heme group with its single iron

atom acting as an oxygen "magnet"


Myoglobin - ✔✔Shuttles O2 from the cell membrane to the mitochondria


Sympathetic nerve fibers - ✔✔mediate excitation.


Parasympathetic activation - ✔✔inhibits excitation.



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