oxygen and carbon dioxide ('O' and 'CO2') . We breath in oxygen and breath out carbon dioxide (the unwanted gas). Oxygen is used is transported through the blood stream (haemoglobin) tis the main gas in circulation.
The major organ involved in external respiration is the lungs. External respiration is the process by which oxygen is taken in from the air and carbon dioxide is eliminated from the body through the lungs.
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It not being certain of what amount or percentage is considered a "major" or "minor" gas, I have chosen to give the list of known gases in significant quantities: Hydrogen gas- 83% Helium gas- 15% Methane gas- 2%
There are three major gases in the air we breathe assuming that we are at sea level or at least not standing on top of a mountain. Nitrogen accounts for 79.01%, Carbon Dioxide accounts for 0.04% and Oxygen accounts for 20.95%. When we breathe out the balance is Nitrogen at 74.5%, Carbon Dioxide at 3.6% and Oxygen is 15.7%. Also water vapour is present at 6.2%. You can see why it is possible to give artificial respiration or mouth to mouth to a victim when our expired are contains almost 16% oxygen. This shows that we only use about 25% of the oxygen we take in at each respiration. Hope this helps.
Cellular Respiration, which takes place in the mitochondria.
The major organ involved in external respiration is the lungs. External respiration is the process by which oxygen is taken in from the air and carbon dioxide is eliminated from the body through the lungs.
The major purpose of respiration is the exchange of gases. In humans, oxygen is taken in for use in the body while carbon dioxide is eliminated. Cellular respiration serves the function of creating energy for the organism.
The systemic circulation includes three parts. The coronary circulation, the hepaticportal circulation and the renal circulation
hhhhhhhhhhhhhhiiiiiiiiiiiiiiiiiiiiiiiiii the major gases are h2o n co2 thanks byeeeeeeeeee
Two lungs with the passages. Your heart with the vessels and esophagus.
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inhaling and exhaling
PCO2
The major purpose of respiration is the exchange of gases. In humans, oxygen is taken in for use in the body while carbon dioxide is eliminated. Cellular respiration serves the function of creating energy for the organism.
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