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CBSE Class 10 Answered

What are the advantages of separation of oxygenated and deoxygenated blood in birds and other higher animals?
Asked by Lanzmik | 16 Feb, 2019, 07:42: AM
answered-by-expert Expert Answer
Oxygenated blood will carry oxygen while deoxygenated will carry carbon dioxide. Mixing of these will make the internal environment acidic and there will become more CO2 concentration that will cause harmful effect to the kidney and lungs because when cleaned by nephrons in kidneys is given to lungs for oxygenation and thus continues the cycle. So, the system called double circulation comes to rescue where blood flows through heart two times i.e once when it is oxygenated and when once it is deoxygenated.
Answered by Sivanand Patnaik | 16 Feb, 2019, 10:36: AM
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