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प्रश्न
Describe the functions of the: Blood vessels
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उत्तर
Blood vessels are a necessaiy part of the body’s circulatory system. The blood vessels carry blood throughout the body.
Three types of blood vessels are :
- Arteries: They carry oxygenated blood from the heart to all parts of the body.
- Veins: They carry deoxygenated blood from the body cells to the heart.
- Capillaries: They form the connection between the arteries and the veins where exchange of substances takes place
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संबंधित प्रश्न
Describe, in brief, the circulatory system in human beings.
What does the term “double circulation” mean?
What is diastole?
Give reason for the following:
The arteries are deep seated in the body
Why does the left ventricle possess a thicker wall than the right ventricle?
Describe the functions of the: Blood
The artificial method of filtering the blood or removing the wastes from the blood.
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
The nodal tissue located in the lower left corner of right atrium is ______.
Given diagram is a schematic representation of the circulatory system in humans. Study the same and answer the questions that follow:
 |
- Label the parts 1 and 4 indicated in the diagram.
- Which of the above mentioned number is the thickest artery? Also write its name.
- Mention the number and chamber of the heart which has the thickest muscular wall.
- Which of the above numbers/structures has the maximum number of blood capillaries?
- Draw neat and labelled diagrams of the transverse section of vena cava and the part numbered as 3. Make sure to show the structural differences between these two in the diagram.
