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प्रश्न
Initiation and stimulation of heartbeat take place by nerves.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
उत्तर
True
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संबंधित प्रश्न
The rhythmic expansion and contraction of the heart is called ______.
What is meant by 'heart beat'? What is the usual heart beat rate at rest?
The wave of expansion of an artery when blood is forced into it is called:
What are heart sounds? How are they produced?
Differentiate between systole and diastole.
Explain the conduction of heartbeat.
Observe Figure 11.2 and answer the given questions:
(a) Name the instrument.
(b) Label parts A, B and C.
Match the parts of the heart in Column I with the direction of the flow of blood in Column II.
| Column I | Column II | ||
| (i) | Right ventricle | (a) | Pushes blood into the pulmonary artery. |
| (ii) | Pulmonary veins | (b) | Take deoxygenated blood from the heart to the lungs. |
| (iii) | Left atrium | (c) | Receives blood from different parts of the body. |
| (iv) | Pulmonary arteries | (d) | Bring oxygenated blood from the lungs to the heart. |
| (v) | Left ventricle | (e) | Pushes blood into the aorta. |
| (vi) | Right auricle | (f) | Receives deoxygenated blood from the pulmonary veins. |
The heart sound 'Dub' is produced when ______.
What is pulse?
