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प्रश्न
Short answer question.
Describe valves of human heart.
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उत्तर
Both the atria open into ventricles of their respective sides by atrioventricular apertures. The atrio-ventricular apertures are guarded by cuspid valves.
i. Cuspid valves:
These are bicuspid and tricuspid valves. The bicuspid valve also known as the mitral valve is present in the left atrio-ventricular aperture. Tricuspid valve is present in the right AV aperture.
ii. Eustachian valve:
It is present on the opening of the post-caval vein (inferior vena cava).
iii. Thebesian valve:
It guards the opening of the coronary sinus into the right atrium.
iv. Semilunar valves:
These three valves guard the opening between the right ventricle and pulmonary artery and left ventricle and aorta.
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संबंधित प्रश्न
Name the main parts of the circulatory system.
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 |
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
Name the parts numbered 1 to 6.
Complete the following sentence with appropriate word:
The ______ is the most powerful organ in the circulatory system.
Multiple Choice Questions
The beating of the heart of man is heart on the left side, because:
What is the function of pericardial fluid?
‘Heart of heart’ is called ______
______ valve is present at the opening of coronary sinus
Give the location of Pericardial fluid.
Note the relationship between the first two words and suggest a suitable word/words for the fourth place:
Lub : Atrioventricular valves :: Dup : ______
