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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.
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संबंधित प्रश्न
Given alongside is a diagram of human heart showing its internal structures. Label the parts marked 1 to 6, and answer the following questions.
- Which types of blood is carried by the blood vessel marked 2?
- Name the main artery which takes the blood from heart to different parts of the body?
- Which chamber of the heart receives deoxygenated blood from the body?
- Which chamber of the heart receives oxygenated blood from the lungs?
True or false:
Blood group A has antigen A.
Match the statements in Column A with those in Column B
| Column A | Column B | ||
| 1 | Heart | a | Movement of materials |
| 2 | Food and oxygen | b | Channels for transport in man |
| 3 | Carrier of oxygen | c | A living pump |
| 4 | Circulation | d | Materials needed by every living being |
| 5 | Arteries and veins | e | Red blood cells |
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The foundations of physiology were laid by the physician __________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leucocytes show amoeboid movement.
Distinguish between Intrinsic and extrinsic process of clotting
Analogy
Lungs: Respiratory system:: _______: Circulatory system.
Serum differs from blood in lacking ____________.
