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प्रश्न
Name of the valve between the left atrium and left ventricle and give its significance.
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उत्तर
Bicuspid or mitral valve is present between the left atrium and left ventricle. It prevents the backflow of blood from the ventricles to the auricle or atrium.
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संबंधित प्रश्न
Multiple choice question. Tick (✓) the correct choice:
The heartbeat is measured by an instrument called
- thermometer
- sphygmomanometer
- stethoscope
- none of the above
Given alongside is a diagram of the external features of the heart.
(i) Name the parts ‘1’ to ‘7’.
(ii) What happens if the coronary artery gets an internal clot?
(iii) Which type of blood does part ‘5’ carry?
(iv) Mention one structural difference between part ‘5’ and ‘4’.
Name the Following
Number of chambers present in the human heart.
Describe the structure and working of the human heart.
Why are the walls of the left ventricle thicker than the other chambers of the heart?
______ are muscular ridges at the inner surface of ventricles.
Calculate the heart rate of a person if the cardiac output is SL, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50mL.
Left atrium : pulmonary vein : right ventricle : ____________.
Heart is made up of ______.
When a person suffers from chest pain, the doctor immediately takes an ECG. Visit a doctor and get information about ECG. You may even look up an encyclopaedia or the internet.
