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Biology-10th Life Processes Medium

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of…

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
  1. (a)Pisces and amphibians
  2. (b)Amphibians and reptiles
  3. (c)Amphibians only
  4. (d)Pisces only

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