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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 type 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?
What is haemoglobin? State the consequences of deficiency of haemoglobin in our bodies.
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’.
The process of keeping the blood flowing continuously throughout the body.
Blood is produced in the bone marrow.
Identify the CORRECT statement/s regarding blood clotting.
Name the following:
Contraction phase of heart.
Name the following:
The structure that holds the heart valves in position.
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.
