Names the groups of animals which have double circulation ? how it is important for them?
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Frog, lizards, mammals and birds have double circulation.
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Explanation:
Mammals, frogs, lizards and birds have double circulation.
It is essential for animals having high energy needs to maintain their body temperature. They are called warm-blooded animals.
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There is a greater flow of blood to the tissues.
Double circulation gives the ability to create more pressure to pump blood round the whole body system.
There is separation of oxygenated and deoxygenated blood.
This lets supply of oxygen to different cells of the body.
This process circulation is essential to land animals that have lungs.
This lets supply of oxygen to different cells of the body.
This process circulation is essential to land animals that have lungs.