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प्रश्न
With the help of neat and labelled diagrams artery and vein.
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उत्तर
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संबंधित प्रश्न
State the differences between artery, vein and capillary.
Put a tick mark (✓) against the correct alternative in the following statement:
Blood Capillary is a
- Broad tube
- Artery with thick wall
- Vein with large lumen
- Narrow tube made up of endothelium only.
You can see some blood vessels on the outside of the hands specially in older people. Are those veins or arteries ? How can you confirm your answer ?
Why is a person having blood group AB called universal recipient and a person with blood group O called a universal donor?
Name the following:
Different blood groups
The figures given below show diagrammatic cross sections of three kinds of blood vessels.
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- Identify the blood vessels A, B and C.
- Name the parts labelled 1-4.
- Mention two structural differences between A and B.
- Name the kinds of blood that flow through A and through B respectively.
- In which one of the vessels referred to in (a) above does the exchange of gases actually take place?
The diagrams given below show the cross-section of two kinds of blood vessels:
(i) Identify the blood vessels A and B. In each case give a reason to support your answer.
(ii) Name the parts numbered 1 and 2.
(iii) When are the sounds “LUBB” and “DUB” produced during a heartbeat?
(iv) Name the blood vessel that
(a) begins and ends in capillaries.
(b) supplies blood to the walls of the heart.
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 word:
The blood vessel that begins and ends in capillaries is the _________.
Analogy:
Carries blood from the right ventricle to lungs: Pulmonary artery.
Carries blood from the lungs to left atrium: ______.
