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प्रश्न
The valve which prevents back flow of blood in the veins and lymph vessels ______.
विकल्प
mitral valve
tricuspid valve
semilunar valve
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उत्तर
The valve which prevents the back flow of blood in the veins and lymph vessels is semilunar valve.
संबंधित प्रश्न
Why is blood needed by all the parts of a body?
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
State the exact location of the Chordae tendinae
When a doctor is recording your pulse, he is pressing on your wrist exactly on a
Angina pectoris is due to
Cardiac muscles are ______.
Name the main parts of the circulatory system
What are seen as greenish blue lines in our hands and legs?
State the Location: Spleen
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.
