What happened was that the respiratory system is highly subdivided into heterogeneous functional smaller units. For example, the gas exchange and ventilation are performed by separate respiratory organs.Meanwhile, the physiology of the fish respiratory system is quite interesting given the fact that its oxygen intake must transpire in water. So its respiratory system is quite different. It is mainly composed of the gills as well as the fish’s skin. There are many variations in which fish species use these organs to breathe but the gills are undoubtedly the most important. It is, first and foremost, a respiratory organ and that it also figure importantly in iono- and osmoregulation, nitrogen excretion as well as acid base regulation.In biology, bicarbonates are formed as base molecules in the wider buffer system in the blood. It functions by binding the excess hydrogen ions as well as the acid excesses and acting as regulator of acid-base imbalances. The process of reabsorption of bicarbonates can help illustrate its components. This reabsorption process involves the kidney. It also involves for the most part the carbon dioxide transfer within the body.In the reabsorption processes, bicarbonate ions combine with other chemicals resulting to various chemical reactions. For example, if bicarbonate is filtered in the tubule and reacts with carbonic anhydrase, it results in the creation of carbon dioxide and water. The sequence is inversely repeated. The resulting carbon dioxide is diffused into the tubule, a process that reforms the bicarbonate ion. The next stage in the process is the. The Oxygen and Carbon Dioxide Transport.
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