what is respiratory canal
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The respiratory system, also called the gas exchange system, is the body getting rid of carbon dioxide and taking in oxygen. ... Inhalation means bringing air rich in oxygen into the body. Exhalation means giving out air rich in carbon dioxide from the body
varuncharaya20:
Hello Henna ji
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The respiratory system, also called the gas exchange system, is the body getting rid of carbon dioxide and taking in oxygen. Carbon dioxide, a waste product, goes out of the body. Oxygen, which the body needs, comes in. The first step in this process is breathing in air, or inhaling. Inhalation means bringing air rich in oxygen into the body. Exhalation means giving out air rich in carbon dioxide from the body. The second step is gas exchange in the lungs where oxygen is diffused into the blood and the carbon dioxide diffuses out of the blood. The third process is cellular respiration, which produces the chemical energy that the cells in the body need, and carbon dioxide. Finally, the carbon dioxide from cellular respiration is breathed out of body from the lungs.
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