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Which of the portal systems is/are not found in human beings?

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Important Questions on Body Fluids and Circulation

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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
The hepatic portal vein drains blood to the liver from
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Correct course of blood circulation in human heart.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Name the blood vessel which supplies blood to the liver.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
How do parasympathetic neural signals affect the working of the heart?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Which one of the following animals has two separate circulatory pathways?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
In mammals, which blood vessel would normally carry the largest amount of urea?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity

Given below are certain groups of terms. In each group, the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Kidney: Renal artery :: Liver : _____.

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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
What is the name of the vein which starts from an organ and ends in another organ besides the heart, whether hepatic portal vein or inferior vena cava?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Name the blood vessel that begins and ends in capillaries. (Renal vein/ Hepatic portal vein)
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Write important role of hepatic portal vein.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
The hepatic portal vein drains blood to liver from 
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity

Note the relationship between the first two words and suggest a suitable word/words for the fourth place:

Coronary artery: Heart:: Hepatic artery: _____.

EASY
Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
The blood vessel that begins and ends in capillaries is the _____. (Hepatic portal artery/Hepatic portal vein)
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
The blood vessel which starts from capillaries and ends in capillaries.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Choose the wrong statement regarding the circulatory system of frog.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
In which, blood circulation starts and ends in capillaries?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity

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Observe the circulation image above and name the blood vessels A, B and C.

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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity

Study the diagram and answer: Which blood vessel will contain a high amount of glucose and amino acids after a meal? Is it the hepatic portal vein or superior epigastric vein?
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
How circulation of blood takes place through special regions? Explain.
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Biology>Human Physiology>Body Fluids and Circulation>Double Circulation and Regulation of Cardiac Activity
Maximum urea levels are present in