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प्रश्न
How a portal vein differs from normal vein?
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उत्तर
Hepatic portal vein differs from normal veins in that it starts as capillaries from one organ and branches into some intermediate organ (e.g. liver), before taking the blood towards the heart.
संबंधित प्रश्न
What stops blood from flowing backwards through the heart?
Fill in the blank with suitable word given below:
The blood plasma contains a dissolved substance called ______________.
Answer very briefly, Why should the blood going away from the stomach and intestines pass through the liver and not directly to heart?
Fill in the blank.
___________ carry pure blood.
Find the odd one out, giving reason:
RBC, platelets, anti-A, WBC
Name the instruments used for measuring blood pressure.
State the Function: Pulmonary vein
Arteries and veins are connected by a network of extremely narrow tubes called:
Arteries carry oxygenated blood except ______.
Why do arteries have thick and elastic walls whereas veins have valves?
