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प्रश्न
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?
उत्तर
Hepatic portal vein (4)
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संबंधित प्रश्न
State briefly, the difference between white blood cells and the red blood cells.
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
Name the instruments used for measuring pulse.
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The diagram below represents a certain category of blood vessels showing the role of a special structure in their walls :
(i) Name the kind of blood vessels shown.
(ii) What is the structure shown inside the blood vessels?
(iii) What is the role of these structures?
(iv) Are these structures present in any other kind of blood vessel? If so, name it.
(v) Towards which side of the figure (Top or Bottom) is the heart located?
Complete the following sentence with appropriate words:
Arteries are _____ walled and the veins are _____ walled vessels.
Why can you feel a pulse when you keep a finger on the wrist or neck but not when you keep them on a vein?
Identify the reason because of which the walls of the arteries are thicker than those of veins.
Which of the following blood vessels carry oxygenated blood from lungs to heart?
The substances to and from the tissues diffuse through the walls of ______.
