why four chambered animals need double circulatory system while two chambered fish don't need this type of system ? explain in detail please .
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four chambered animals need double circulatory system because they cannot tolerate the mixing of oxygenated and deoxygenated blood while the fish can tolerate the mixing of oxygenated and deoxygenated blood.
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1
Answer:
four chambered animals need double circulatory system because they cannot tolerate the mixing of oxygenated and deoxygenated blood while the fish can tolerate the mixing of oxygenated and deoxygenated blood.
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