BiologyThe separation of the right side and the left side of the heart is useful to: 

The separation of the right side and the left side of the heart is useful to: 

  1. A

    prevent the mixing of oxygenated and de-oxygenated blood with each other.

  2. B

    allow a highly efficient supply of oxygen to the body

  3. C

    meet high energy needs of birds and mammals

  4. D

    all the above 

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