The post-caval vein collect blood from

The pre-caval veins collect blood from

The precaval vein collects blood from

Assertion (A): Veins have thick walls to collect blood from different organs. Reason (R): Blood in veins are not under pressure.

From where does hepatic portal vein collect the blood ?

Hepatic portal system collect blood from

The post-caval is constituted by

Renal vein which collects the blood from kidney is a tributary of

Hepatic portal system collects blood from:

The pre-caval vein is formed of