1. Tardigrade
  2. Question
  3. Biology
  4. Double circulation implies presence of pulmonary and systemic circulation. This type of circulation first appeared in cold blooded animals belonging to

Q. Double circulation implies presence of pulmonary and systemic circulation. This type of circulation first appeared in cold blooded animals belonging to

 1990  188 Report Error

Solution:

The heart of reptiles is three chambered except for crocodile which has a four chambered heart.