1. Tardigrade
  2. Question
  3. Biology
  4. How many of the following animals have double circulation with more than one atrium with sinus venosus absent in their heart ? Rabbit, Rat, Frog, Dolphin, Lizard, Whale, Peacock, Pigeon, Fish(Catla), Butterfly

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Q. How many of the following animals have double circulation with more than one atrium with sinus venosus absent in their heart ? Rabbit, Rat, Frog, Dolphin, Lizard, Whale, Peacock, Pigeon, Fish(Catla), Butterfly

Body Fluids and Circulation

Solution:

Correct answer is (d) Six