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प्रश्न
Describe the functions of the: Blood vessels
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
APPEARS IN
संबंधित प्रश्न
Name the following:
Any one vein which starts from an organ and ends in another organ besides the heart
Explain the difference.
Arteries and veins.
Fill in the blanks with suitable words given below:
The ______ artery takes the blood from the ventricles to the lungs.
Fill in the blanks with suitable words given below:
The blood loaded with carbon dioxide from the body comes into the ______ of the heart.
Name the main parts of the circulatory system
Given below is the simplified pathway of the circulatory system:
(i) Name the blood vessels marked 1 to 8.
(ii) Name the chamber of the heart which:
(a) Receives blood from ‘1’.
(b) Pumps blood into blood vessel ‘8’.
(iii) Mention two structural differences between blood vessels ‘7’ and ‘2’.
Name the Following
The blood plasma from which fibrinogen has been removed.
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Name these:
Three components of circulatory system.
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.
