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Parts and Functions of the Conducting Zones and Respiratory Zones - Essay Example

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This essay highlights that the conducting zones, as well as the respiratory zones, have various parts. These parts perform various functions. The conducting zone comprises all parts that are responsible for air to pass so that it can reach the respiratory zone. …
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Parts and Functions of the Conducting Zones and Respiratory Zones
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"Parts and Functions of the Conducting Zones and Respiratory Zones"

Download file to see previous pages The conchae push the air to the wall of the conducting zone, and the respiratory mucosa picks the contaminants that pass through the nose. The other parts involved in the filtration are cilia. Cilia are involved in pushing the contaminants that are trapped by the mucus to the larynx. The contaminants that reach the larynx with the help of cilia are either swallowed or spit out. The other function that occurs in the zone is warming of the air. Air is warmed by the fact that it passes through the conducting zone.
On the other hand, the respiratory zones comprise of various parts. These parts are involved in gas exchange. The parts include terminal bronchioles and alveolar sacs. Their main role is to ensure there is a gas exchange.
There are mechanisms in which carbon dioxide is carried in the blood. The transport of CO2 takes place in three ways. The first way in which CO2 is transported is through dissolving in plasma. About 7-10 percent of the gas is dissolved through this process. The second way in which the gas is transported is getting attached to the globin of hemoglobin. It is estimated that about 20 percent of the gas is transported by this route. The third way in which the gas is transported is through bicarbonate ions (HCO3–) in plasma. The majority of CO2 is transported through this process and is estimated to be about 70 percent of gas transported.
The filtration process takes place in the glomerular capsule. The two main vessels involved in this process are the afferent arteriole and efferent arteriole. The afferent arteriole enters the capsule to form a capillary bed called the glomerulus. The capillaries have small openings in terms of pores. In these pores, the filtered material passes and includes urea, uric acid, water, hydrogen ions, and ions. The efferent arteriole exits the capsule carrying nonfiltered components such as blood, glucose, vitamins, proteins, white blood cells, and platelets.  ...Download file to see next pagesRead More
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