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प्रश्न
Draw labelled diagram of internal structure of human heart.
Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve.
Write a function of Eustachian and tricuspid valve found in human heart.
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उत्तर
- Eustachian valve guards the opening of the postcaval vein (inferior vena cava).
- The tricuspid valve is present in the right AV aperture and prevents backflow of blood, maintaining a unidirectional blood flow.
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संबंधित प्रश्न
Define the term Circulatory system.
Name the Following
The study of blood vascular system including arteries, veins and heart.
Name an instrument which is used to hear heart sounds.
The number of chambers in human heart are _______
Identify the INCORRECT statement regarding heart.
______ is the opening of the upper chamber of the heart into the lower chamber.
Assertion: Human heart does not allow the mixing of oxygen to reach blood with carbon dioxide to reach the blood.
Reason: Human heart has different chambers.
Heart sound 'dub' is caused due to closing of ______.
The QRS complex in a standard ECG represents ______.
The diagram below depicts the human heart in one of its phases. Answer the questions that follow:
- Which part of the heart is in the contraction phase?
- Give a suitable reason to justify your answer in (a).
- Distinguish between Systole and Diastole.
