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  •  In single circulation circuit,  Option: 1 Systemic circulation is seen  <

 In single circulation circuit,

 

Option: 1

Systemic circulation is seen

 


Option: 2

Pulmonary circulation is seen

 


Option: 3

Both systemic and pulmonary circulation is seen

 


Option: 4

Circulation occurs through lacunae

 


Answers (1)

best_answer

Single circuit 

 
  • The heart of fish is two-chambered having an atrium and ventricle.
  • Heart pumps deoxygenated blood to the gills where it is oxygenated by the gills.
  • The oxygenated blood is then continues through the rest of the body before arriving back at the atrium to complete the circuit. This is called systemic circulation.
  • Thus, the flow of blood is unidirectional as there is only a single circulation i.e. systemic circulation

 In single circulation circuit, the flow of blood is unidirectional as there is only a single circulation i.e. systemic circulation. Hence, the correct answer is option a.

Posted by

manish painkra

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