What type of circulation do amphibians and reptiles have?

What type of circulation do amphibians and reptiles have?
  1. Single circulation
  2. Incomplete double circulation
  3. Complete double circulation
  4. None of the above

Solution

The left atrium of amphibians and reptiles receives oxygenated blood while the right atrium gets deoxygenated blood. However, they get mixed up in the single ventricle, hence these organisms have incomplete double circulation.

Asked in: NCERT

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