mammals have four chambered heart. State the advantage over reptiles
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Reptiles have 3 chambered heart and mammals have 4 chambered heart.
Advantage of mammals is the complete double circulation whereas in reptiles it is incomplete double circulation because mixing of oxygenated and deoxygenated blood takes place.
Reptiles need to take rest after moving some distance because they get tired.
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Explanation:
Mammals have 4 chambered heart that facilitates double circulation as a result of which the deoxygenated blood is well separated from oxygenated blood.reptiles have 3 chambered heart.though they have two atria the blood get mixed up in the single ventricle which is known as incomplete double circulation.
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