Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds ?
Separation of oxygenated and deoxygenated blood in mammals and birds is necessary because birds and mammals have high energy requirements. This is also beneficial because they need constant energy to maintain their body temperature, hence they need oxygen continuously to get energy.
CBSE Class 10 Sample PapersMaths StandardMaths BasicHindi AHindi BSocial ScienceScienceSanskritEnglish