What is the advantages of separate channels in mammals and birds for oxygenated and deoxygenated blood
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when the oxygenated and deoxygenated blood are separated, then their mixing doesn't takes place . it is useful for more efficient transport of blood because oxygen enriched blood is only transferred to the required cell. it is helpful in organisms who have higher rate of metabolism.
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- Oxygenated blood will carry oxygen while deoxygenated blood 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 that is once when it is oxygenated and when once it is deoxygenated.
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