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प्रश्न
Why does the left ventricle possess a thicker wall than the right ventricle?
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उत्तर
The left ventricle possess a thicker wall than the right ventricle because it pumps the blood at a higher pressure since blood from the left ventricle goes to all areas of the body while the right ventricle only has to pump blood to the lungs which is a much shorter distance, therefore less pressure is required.
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संबंधित प्रश्न
The diagram given below represents a section of the human heart. Answer the questions that follow :
(i) Which parts of heart are in the diastolic phase? Give a reason to support your answer.
(ii) Label the parts numbered 1 and 2 in the diagram. What type of blood flows through them?
(iii) What causes the heart sounds ‘LUBB’ and ‘DUP’?
(iv) Name the blood vessels that supply oxygenated blood to the heart muscles.
(v) Draw neat labelled diagrams of a cross section of an artery and a vein.
Explain Pulse
When a doctor is recording your pulse, he is pressing on your wrist exactly on a
During surgical operations or during accidents, the patient may be given blood from outside to save his life. What is the technical name of this process? Briefly explain the precautions to be taken in this process.
What are seen as greenish blue lines in our hands and legs?
A resting person usually has a pulse rate between 72 to 80 beats per minute.
Ventricles have ______ walls when compared with those of auricles.
Name the following:
The structure that holds the heart valves in position.
Name these:
Three circulating fluids in human body.
