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NEET 2025, Biology Q44: Excretory System

NEET2025Biology
Q.

In frog, the Renal portal system is a special venous connection that acts to link :

  1. A

    Kidney and lower part of body

  2. B

    Liver and intestine

  3. C

    Liver and kidney

  4. D

    Kidney and intestine

Solution

In frogs there are two portal systems:

  • Hepatic portal system — connects intestine and liver.
  • Renal portal system — connects the lower (posterior) parts of the body to the kidneys, draining blood from the hind limbs into the kidneys before it returns to the heart.

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