$A$ portal system is one in which

  • A
    $A$ vein starts from an organ and ends up in heart
  • B
    $A$ vein starts from an organ and ends up in another organ
  • C
    $A$ vein starts from heart and ends up in lungs
  • D
    None of these

Explore More

Similar Questions

In which of the following is the right systemic arch absent?

Which vessel carries sugars from the digestive system to the liver?

Blood must pass through the ........ to reach the left side of the heart.

Which circulatory system is absent in humans?

Give scientific reasons:
$(1)$ It is necessary to send blood from the right ventricle to the lungs.
$(2)$ The heart is called a double pump.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo