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प्रश्न
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
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उत्तर
Ventricular systole.
संबंधित प्रश्न
The exact location of the tricuspid valve
Describe, in brief, the circulatory system in human beings.
Name the following:
The kind of blood cells which can squeeze out through the walls of one category of blood vessels.
Given below is a certain structure, write its chief functional activity.
Lymphocytes - ______.
Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:
Lubb: Atrioventricualr valves :: dup: …………………
Explain the difference.
Arteries and veins.
Explain the following:
Why is the closed circulatory system more efficient than the open system?
In which of the following process blood neutrophils play an important role?
Name the following:
Contraction phase of heart.
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.
