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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
Name the main parts of the circulatory system.
Explain the following:
Why is the SA node called the pace-maker of the heart?
Match the terms given in column I with terms in Column II:
| Column I | Column Il |
| (i) Left-auricle | (a) Clotting |
| (ii) Right auricle | (b) Thebasius valve |
| (iii) Left ventricle | (c) Pulmonary vein |
| (iv) Right-ventricle | (d) Aorta |
| (v) Fibrin | (e) Pulmonary arch |
Short answer question.
Describe valves of human heart.
Why are the walls of the left ventricle thicker than the other chambers of the heart?
Which of the following event occurs during ventricular diastole?
What is the role of Paplillary muscles?
If a person has a heart attack, what must be done immediately?
P. Loosen his/her clothing
Q. Make him/her lie down in an airy room
R. Rush him/her to the hospital
S. Engage him/her in a conversation
Ventricles give rise to two large blood vessels called ______ and ______.
Which one of the following is a correct statement regarding human heart?
