Which of the following is not found in mammals?

  • A
    Hepatic portal system
  • B
    Hypophysial portal system
  • C
    Renal portal system
  • D
    Hepatic and Hypophysial portal system

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The hepatic portal vein drains blood to the liver from:

Which one of the following represents pulmonary circulation?

Which of the following represents the correct pathway of blood circulation in the human heart?

Double circulation is

Incomplete circulation is found in
$I$. Reptiles
$II$. Amphibians
$III$. Birds
$IV$. Mammals
The correct option is:

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