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GK QUESTION#3876

In most living reptiles, the heart is not completely divided into four chambers i.e., it consists of two auricles and an incompletely divided ventricle. Which of the following is an example of a reptile having a four-chambered heart?

  1. ASnake
  2. BTurtles
  3. CCrocodileCorrect answer
  4. DLizard
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Answer

C. Crocodile

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Explanation

Crocodilians have four-chambered hearts with two atria and two ventricles. Their arterial connections also permit specialized shunting. Most other living reptiles have a ventricle that is not completely divided.

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