Crocodiles have ______ heart chambers.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. four.
- Except for the crocodile, all reptiles have incomplete four-chamber hearts.
- The crocodile heart is entirely divided into two atria and two ventricles, similar to how birds and mammals' hearts are structured.
- Endotherm or Homeotherm have well developed four-chamber heart. Examples include birds and mammals.