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प्रश्न
Distinguish between the following pair on the basis of words indicated in the bracket ( ):
Arteries and Veins (Wall and lumen)
उत्तर
Arteries have thick muscular walls and narrow lumen.
Veins have thin muscular walls and under lumen.
संबंधित प्रश्न
Differentiate between the following pair of terms:
Platelets and WBC.
Find the odd one out, giving reason:
Arteries, capillaries, blood, veins
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.
Name the Blood vessels entering liver and kidney and Blood vessels leaving liver and kidney.
Given below is a simple diagram of the circulation of blood in a mammal showing the main blood vessels, the heart, lungs, and body tissues. The blood vessel labeled 6 contains deoxygenated blood and 2 the valve leading to it has three semi-lunar pockets.
(i) Name the blood vessels of organs marked by numbers 1 to 8.
(ii) What do you mean by the term ‘double circulation’ of blood in mammals?
(iii) What is diastole?
Complete the following sentence with appropriate words:
The three distinct types of blood vessels are _____, ______, and _________.
State the Function: Pulmonary vein
What are the three types of blood vessels?
With the help of neat and labelled diagrams artery and vein.
Given alongside are diagrams of a certain category of blood vessels showing the role of a special structure in their walls. Study the figure and answer the questions that follow.
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- Name the kind of blood vessels shown in the figure. What are its branches termed as?
- Name the structure shown inside the blood vessels. Write its important role.
- What kind of blood flows through these blood vessels normally? Name the blood vessel which carries blood from the heart to the lungs.
- Name a similar kind of blood vessel which is related to the liver and kidney.
- Draw a neat and labelled diagram of the transverse section of the blood vessel shown above showing the three layers of its wall and lumen.
