Question

What is the advantage of having four chambered heart?NCERT Class XScience - Exemplar ProblemsChapter_Life Processes

Answer 1

Heya !
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In the four chambered heart only oxygenated blood is sent to the body. This is important for animals with a high oxygen need such as mammals. The advantage of having four chambered hearts  is the oxygenation process happens much more efficiently than in a two chambered heart. or three chambered heart 
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