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प्रश्न
How a portal vein differs from normal vein?
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
Put a tick mark (✓) against the correct alternative in the following statement:
The only artery which carries deoxygenated blood is :
Give any three differences between an artery and a vein.
Fill in the blank with suitable word given below:
The colour of a red blood cell is due to _______________.
The following simplified diagram refers to the outline plan of the circulation of blood in a mammal. Study the diagram and write the number and the name of the blood vessel in each case as mentioned ahead.
Several hours after a meal containing a lot of protein, which vessel will contain the highest concentration of urea?
Study the following diagram carefully:
(a) With which figure in the chapter can you roughly compare this diagram?
(b) Write any two things shown in it as extra from those in the figure named above.
Write three types of blood vessels. Give one important feature of each.
Name the Following
The blood vessel supplying blood to the kidney.
Select the INCORRECT statement.
Assertion: Veins have thin walls to collect blood from different organs.
Reason: Blood in veins are not under pressure.
Read the explanation given below and name the structure:
The smallest blood vessels in the human body.
