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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Why is blood needed by all the parts of a body?
Name the following:
The blood vessels which start from capillaries and end in capillaries.
Give reason for the following:
Atrial wall is less muscular than the ventricular wall.
Explain the difference.
Arteries and veins.
How many litres of blood does an adult human body have?
Match the following.
| Group A | Group B |
| (1) Lungs | (a) Circulation |
| (2) Stomach | (b) Respiration |
| (3) Heart | (c) Co-ordination |
| (4) Brain | (d) Digestion |
Describe how the exchange of oxygen and carbon dioxide gases takes place in the lungs.
Respiration takes place because of its up and down movement.
Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.
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.
