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  • Read the following statements and select the correct option. Statement 1: The 4-chambered heart of birds is superior to the 4-chambered heart of crocodiles. <st

Read the following statements and select the correct option.

Statement 1: The 4-chambered heart of birds is superior to the 4-chambered heart of crocodiles.

Statement 2: Crocodilian heart retains both systemic arches that join, causing mixing of blood in the dorsal aorta while avian heart has lost left systemic arch.

Option: 1

Both statements 1 and 2 are correct


Option: 2

Statement 1 is correct but statement 2 is incorrect.


Option: 3

Statement 1 is incorrect but statement 2 is correct.


Option: 4

Both statements 1 and 2 are incorrect.


Answers (1)

best_answer

As we have learnt,

 

Circulatory Patterns -

The circulatory patterns are of two types

- wherein

open or closed

 

 

 

Posted by

shivangi.bhatnagar

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