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  • Choose the incorrect statement  Option: 1 The mixed or incomplete circuit of reptiles is much more compl

Choose the incorrect statement

 

Option: 1

The mixed or incomplete circuit of reptiles is much more complicated than that of amphibians 

 


Option: 2

Sinus venosus is present in reptiles but is less functional

 


Option: 3

The conus arteriosus in reptiles is divided into right systemic, left systemic and pulmonary arches

 


Option: 4

The SA node is present in the left auricle in reptiles

 


Answers (1)

best_answer

The mixed or incomplete circuit of reptiles is much more complicated than that of amphibians as they have a three-chambered heart with incompletely divided ventricle. Sinus venosus is present in reptiles but is less functional. The conus arteriosus is divided into right systemic, left systemic and pulmonary arches. The left and right systemic arches are connected through a connection tube called foramen of panizzae. The SA node is present in the right auricle. 

Hence, the correct answer is option d.

 
Posted by

jitender.kumar

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