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प्रश्न
The diagram given below represents the human heart in one phase of its functional activities. Study the same and answer the questions that follow:
(i) Name the phase.
(ii) Label the parts 1, 2 and 3
(iii) Which part of the heart is contracting in this phase ? Give a reason to support your answer.
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उत्तर
(i) Atrial systole.
(ii)
(1) Left pulmonary artery
(2) Superior vena cava
(3) Aorta.
(iii) Simultaneous contraction of both the auricles. Because the cuspid valves are open, allowing blood to flow into ventricles.
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संबंधित प्रश्न
Fill in the blank with suitable word given below:
The two lower chambers of the heart are called ___________.
Select the odd one in the following:
Artery, Vein, Capillary, Nerve.
Choose the correct answer:
Which of the following engulfs pathogen rapidly?
Describe in brief die cardiac cycle.
In between which layers of pericardium, pericardial fluid is present?
The blood does not flow back into the ______ when mitral valve closes.
Which of the following event occurs during ventricular diastole?
The heart is surrounded by a double-layered membrane called ______.
Heart sound 'dub' is caused due to closing of ______.
The QRS complex in a standard ECG represents ______.
